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127 results for “leaf anatomy”
FIGURE 2. Ichnanthus robustus. A in The end of a mystery: transferring Streptostachys robusta to Ichnanthus (Poaceae, Paspaleae) based on DNA sequences, morphology and leaf anatomy
FIGURE 2. Ichnanthus robustus. A. Habitat, montane forest in Southern Bahia; B. Habit; C. Base of the plant, including culms, adventitious roots, and rhizome; D. Culm, leaf sheath base (node region), and leaf blade base; E. Node region glabrous; F. Trichomes in the adaxial surface of the leaf blade; G. Vinaceous spots in the abaxial surface of the leaf blade; H. Inflorescence; I. Pair of spikelets, dorsal (left) and lateral (right) views; J. Spikelet, dorsal view. (Photos by C. Silva)
FIGURE 2. Stem and leaf lamina anatomy. A in The rediscovery of Billburttia vaginoides, with notes on the morphology, anatomy, traditional uses and conservation status of the genus Billburttia (Apieae, Apiaceae)
FIGURE 2. Stem and leaf lamina anatomy. A. Billburttia capensoides (Rakotonandrasana & Ratrimosaona 1494, TAN, CNARP). B. B. vaginoides (Rakotonandrasana & Ratrimosaona 1495, TAN, CNARP). A1 and B1. Transverse sections of stems; pf—protophloem fibers. A2 and B2. Transverse sections of leaf lamina; sc—small secretory canals associated with adaxial extensions of sheaths around vascular bundles. A3 and B3. Surface view of abaxial epidermis of leaf lamina. Black arrowheads mark the aggregates of acicular crystals. Scale bars: A1 = 500 μm; A2, B1, B2 = 200 μm; A3, B3 = 100 μm.
FIGURE 1 in Paepalanthus modestus (Eriocaulaceae), a new dimerous species from Goiás, Brazil, with notes on leaf and scape anatomy
FIGURE 1. Holotype of Paepalanthus modestus collected in Alto Paraíso de Goiás (Goiás–Brazil) (M.L.O. Trovó & A.L. Silva 646– RB).
FIGURE 2. Paepalanthus modestus. A. Habitat. B. Stem and rosette before fire. C. Stem and rosette after fire. D. Leaf apex. E. Spathe detail. F. Spathe detail. G. Young scape detail. H. Old scape detail. I. Mature capitulum. J. Young capitulum highlighting the involucral bracts. K. Capitulum with abnormal involucral bracts. L. Floral bract abaxial surface. M. Staminate flower. N. Pistillate flower. O. Gynoecium. P in Paepalanthus modestus (Eriocaulaceae), a new dimerous species from Goiás, Brazil, with notes on leaf and scape anatomy
FIGURE 2. Paepalanthus modestus. A. Habitat. B. Stem and rosette before fire. C. Stem and rosette after fire. D. Leaf apex. E. Spathe detail. F. Spathe detail. G. Young scape detail. H. Old scape detail. I. Mature capitulum. J. Young capitulum highlighting the involucral bracts. K. Capitulum with abnormal involucral bracts. L. Floral bract abaxial surface. M. Staminate flower. N. Pistillate flower. O. Gynoecium. P. Fruit releasing the seeds. (M.L.O. Trovó & A.L. Silva 646–RB).
FIGURE 3 in Paepalanthus modestus (Eriocaulaceae), a new dimerous species from Goiás, Brazil, with notes on leaf and scape anatomy
FIGURE 3. Anatomical sections of leaves and scapes of Paepalanthus modestus (M.L.O. Trovó & A.L. Silva 646–RB). A. Transverse section of the leaf. B. Paradermal view of the abaxial leaf surface. C. Detail of the abaxial leaf surface. D. Detail of a vascular bundle. E. Transverse section of the scape. (Scale bars: A, E= 200μm; B–D= 50μm).
FIGURE 1. Amorimia tumida R.F.Almeida & A.C in Leaf anatomy and macro-morphology uncover a new species of Amorimia (Malpighiaceae) from Southeastern Brazil
FIGURE 1. Amorimia tumida R.F.Almeida & A.C.Marques: a. Adaxial side of a leaf, b. fruiting branch, c. detail of a style, d. detail of fruits showing the tumid pedicel (arrow), e. samara in frontal view (photographs by M.A. Nadruz Coelho).
FIGURE 5 in Leaf anatomy and macro-morphology uncover a new species of Amorimia (Malpighiaceae) from Southeastern Brazil
FIGURE 5. Distribution map of Amorimia tumida (white circle), and Amorimia andersonii (black circle) in Eastern Brazil.
FIGURE 3 in Leaf anatomy and macro-morphology uncover a new species of Amorimia (Malpighiaceae) from Southeastern Brazil
FIGURE 3. Leaf anatomy of Amorimia tumida (two left columns) and Amorimia andersonii (two right columns) in transversal (a–i, k, l, n–p, r, t) and longitudinal (j, m, q, s) sections. a, c, e–h Petiole in general view (a, c), detail of the epidermis and ground system (e, g), and of the vascular system (f, h), b, d, i–t leaf blade in general view of the midvein (b, d), detail of the semi-blade (i, l) highlighting stomata (j, m) and cuticle flange (k, n), detail of the margin (o, p), detail of the spongy parenchyma (q, s), and glands (r, t). ab= accessory bundle, cf= cuticle flange, co= collenchyma, dr= idioblast containing druse, fi= fibers, mv= main vascular unity, sl= subepidermal layer, st= stomata.
FIGURE 2 in Leaf anatomy and macro-morphology uncover a new species of Amorimia (Malpighiaceae) from Southeastern Brazil
FIGURE 2. Line drawings and photos of relevant characters to differentiate both Amorimia species: Amorimia andersonii. b. Leaf in abaxial side, d. color of sepal glands, f. detail of a style (based on L.C. Marinho 654). Amorimia tumida. a. leaf in abaxial side, c. color of sepal glands, e. detail of a style (based on M.N. Coelho 2794).
FIGURE 4 in Leaf anatomy and macro-morphology uncover a new species of Amorimia (Malpighiaceae) from Southeastern Brazil
FIGURE 4. Cleared leaves of Amorimia tumida (left column) and Amorimia andersonii (right column): a–b General pattern of venation, c–d detail of the marginal ultimate venation, e–f detail of the areoles, g–h detail of the veinlets.
FIGURE 6 in Leaf anatomy and macro-morphological data support a new species of the legume genus Chamaecrista (Fabaceae, Caesalpinioideae) from Goiás, Brazil
FIGURE 6. Comparative leaflets anatomy of Chamaecrista taxa. (A–O) and paradermic (P–U). Chamaecrista barnebyana (A–B, G, J, M, and P–Q), C. cristalinae (C–D, H, K, N and R–S) and C. neesiana var. laxiracemosa (E–F, I, L, O and T–U); A, C and E. General aspect; B, D and F. Aspect of the leaflet margin; G–I. Mesophyll, detail of the epidermis, palisade parenchyma, and spongy parenchyma; J–L. Vascular bundles; M–O. trichomes; M. Acicular trichomes; N–O. Multicellular, secretory, shortly stipitate trichomes, with a bulbous base; P–U. General aspect of the epidermis and stomata. ep = epidermis; fb = libriform fibers; ph = phloem; pp = palisade parenchyma; ps = spongy parenchyma; tr = trichome; vb = vascular bundles; xy = xylem. Arrows indicate sclereids; the asterisk indicate stomata. Scale bars: A–F = 150 μm; G–J = 75 μm; K–L = 50 μm; M–O = 40 μm; P–U = 75 μm. Dashed areas in figures P and U indicate paracytic stomata, Q–T anisocytic stomata. Photomicrographs taken by Igor Soares dos Santos.
FIGURE 1 in Leaf anatomy and macro-morphological data support a new species of the legume genus Chamaecrista (Fabaceae, Caesalpinioideae) from Goiás, Brazil
FIGURE 1. Chamaecrista barnebyana sp. nov. A. Habit; B. Leaflet; C. Stipule; D. Bract; E. Bracteole; F. Flower bud; G. Flower in frontal view; H. Sepal; I. Petals; J. Reproductive structure; K. Stamen; L. Gynoecium; M. Fruit; N. Seed. Drawn by Raiana Cassiano from the holotype.
FIGURE 3 in Leaf anatomy and macro-morphological data support a new species of the legume genus Chamaecrista (Fabaceae, Caesalpinioideae) from Goiás, Brazil
FIGURE 3. Distribuition map of Chamaecrista barnebyana (), C. cristalinae () and C. neesiana var. laxiracemosa ().
FIGURE 5 in Leaf anatomy and macro-morphological data support a new species of the legume genus Chamaecrista (Fabaceae, Caesalpinioideae) from Goiás, Brazil
FIGURE 5. Comparative anatomy of the median portion of the rachis in Chamaecrista species. A, I and P. General aspect. Chamaecrista barnebyana (A–H), C. cristalinae (I–O) and C. neesiana var. laxiracemosa (P–V); B, F, J and Q. Vascular cylinder; T. Vascular bundle; C, G, K, M and R. Detail of the libriform pericyclic fibers, epidermis and cortical region; D and L. Stomata; H, N and U. Detail of the accessory vascular bundles; E, O, S and V. Trichomes; E, O and S. Acicular trichomes; V. Multicellular, secretory, shortly stipitate trichome, with a bulbous base. ab = accessory vascular bundles; co = cortex; ep = epidermis; fb = libriform fibers; ph = phloem; sc = substomatic chamber; tr = trichome; vb = vascular bundles; vc = vascular cylinder; xy = xylem. Arrows indicate stomata. Scale bars: A, I and P = 150 μm; B, F, H, J, Q and U = 75 μm; C, G, K, M–N, R and T = 60 μm; D–E, L, O, S and V = 40 μm. Photomicrographs taken by Igor Soares dos Santos.
FIGURE 4 in Leaf anatomy and macro-morphological data support a new species of the legume genus Chamaecrista (Fabaceae, Caesalpinioideae) from Goiás, Brazil
FIGURE 4. Comparative anatomy of the median portion of the petiole in Chamaecrista taxa. A and H. General aspect. Chamaecrista barnebyana (A–G) and C. neesiana var. laxiracemosa (H–L); B and I. Vascular cylinder; C and J. Vascular bundles; D. Accessory vascular bundles; C–E and J–K. Detail of the libriform fibers; F and K. Detail of the epidermis and cortical region; G and L. Trichomes; G. Unicellular, acicular trichome; L. Multicellular, secretory, shortly stipitate trichome, with a bulbous base. ab = accessory vascular bundles; co = cortex; ep = epidermis; fb = libriform fibers; ph = phloem; vb = vascular bundles; vc = vascular cylinder; xy = xylem. Scale bars: A and H = 150 μm; B and I = 75 μm; C–D and J = 60 μm; E and K = 40 μm; G and L = 30 μm. Photomicrographs taken by Igor Soares dos Santos.
FIGURE 2. Chamaecrista barnebyana. A in Leaf anatomy and macro-morphological data support a new species of the legume genus Chamaecrista (Fabaceae, Caesalpinioideae) from Goiás, Brazil
FIGURE 2. Chamaecrista barnebyana. A. Habitat; B. Habit; C. Inflorescence; D. Flower in frontal view; E. Flower bud; F. Fruit. Photographs taken by M.J. Silva (A) and R.G. Matos (B–F).
FIGURE 4. A–B in Gaultheria stapfiana (Ericaceae), a species to be recognized: insights from morphology, leaf anatomy and pollen morphology
FIGURE 4. A–B. Gaultheria stapfiana Airy Shaw (A. live, FIGURE 5. A–B. Stomatal complex of Gaultheria stapfiana B. cibachrome type photo); C–D. G. hookeri C.B. Clarke (live (40X); C–D. Stomatal complex of G. hookeri (40X); E–F. Sto- and cibachrome type photo); E–F. G. fragrantissima Wall (live matal complex of G. fragrantissima (40X).
FIGURE 3. Gaultheria fragrantissima Wall. A in Gaultheria stapfiana (Ericaceae), a species to be recognized: insights from morphology, leaf anatomy and pollen morphology
FIGURE 3. Gaultheria fragrantissima Wall. A. habit; B. flower; C–D. bracts; E–F. bracteoles; G–H. calyx lobes; I. corolla lobe; J–K. stamens; L. pistil; M. ovule; N–O. ovary (t. s.); P–Q. fruits; R. seeds. — Scale bars: A = 1 cm; B, P = 2 mm; C–H, J–L, N, O = 1 mm; Q = 5 mm (A–R: drawn from S. Panda 30701).
FIGURE 2. Gaultheria hookeri C.B. Clarke. A in Gaultheria stapfiana (Ericaceae), a species to be recognized: insights from morphology, leaf anatomy and pollen morphology
FIGURE 2. Gaultheria hookeri C.B. Clarke. A. habit; B. flower; C–D. bracts; E–G. bracteoles; H–I. calyx lobes; J. corolla lobe; K–L. stamens; M. pistil; N. ovary (t. s.). — Scale bars: A = 1 cm; B = 2 mm; C–I, K–N = 1 mm; J = 0.5 mm (A–N: drawn from S. Panda 30872, CAL). Drawn by S. Panda.
FIGURE 6. A–B in Gaultheria stapfiana (Ericaceae), a species to be recognized: insights from morphology, leaf anatomy and pollen morphology
FIGURE 6. A–B. Leaf areolar pattern (vein-islets) of Gaulth- FIGURE 7. A–B. Pollen morphology of Gaultheria stapfiana eria stapfiana (A. whole leaf, B. part in 10X); C–D. G. hook- (A. LM in 40X, B. SEM); C–D. G. hookeri (A. LM in 40X, B. eri (A. whole leaf, B. part in 10X); E–F. G. fragrantissima (A. SEM); E–F. G. fragrantissima (A. LM in 40X, B. SEM).
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.