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127 results for “leaf anatomy”
FIGURE 1. Gaultheria stapfiana Airy Shaw. A in Gaultheria stapfiana (Ericaceae), a species to be recognized: insights from morphology, leaf anatomy and pollen morphology
FIGURE 1. Gaultheria stapfiana Airy Shaw. A. habit; B. flower; C. ovary (t.s.); D–E. bracts; F–G. bracteoles; H. corolla (inside); I–J. calyx lobes; K. corolla lobe; L–M. pistils; N–S. stamens. — Scale bars: A = 1 cm; B = 2 mm; C, D, E, F, G, H, I, J, L, M = 1 mm; K = 0.5 mm; N–S = 1 mm (A–S: drawn from S. Panda 29906). Drawn by S. Panda.
FIGURE 5. Leaf anatomy. A–B in On the taxonomic position of Panicum scabridum (Poaceae, Panicoideae, Paspaleae)
FIGURE 5. Leaf anatomy. A–B, Coleataenia scabrida; A, transverse leaf section; B, abaxial epidermis. C, Coleataenia prionitis; transverse leaf section. A and C, inner mestome sheath with chloroplasts indicated by arrows. A, Zuloaga et al. 4384; B, Davidse 5444; C, reproduced from Zuloaga et al. (1989). Scale: A, 25 µm; B, C, 50 µm.
FIGURE 2. Dyckia sulcata. A in Dyckia sulcata (Bromeliaceae), a new species from Minas Gerais, Brazil, with notes on leaf anatomy
FIGURE 2. Dyckia sulcata. A. General view of the species habitat. B. Asymmetrical rosette. C. Detail of the strongly pronounced nerves on the abaxial side of the leaf blades. D. Habit. (Photos: E.A.E. Guarçoni).
FIGURE 3 in Dyckia sulcata (Bromeliaceae), a new species from Minas Gerais, Brazil, with notes on leaf anatomy
FIGURE 3. Photomicrograph of a cross section of the leaf of D. sulcata. A. Abaxial surface showing the costal and intercostal zones; mechanical hypodermis with five layers of cells in the costal zone. B. Adaxial surface with uniseriate epidermis (arrow) and mechanical hypodermis with three layers of cells. C. Cup-shaped scale. D. Stomata extending above the epidermal surface. E. Large vascular bundles (arrow) alternating with smaller bundles (star). AH = aquiferous parenchyma, CL = chlorenchyma, ES = sclerenchyma, MC = cuticular
FIGURE 1 in Dyckia sulcata (Bromeliaceae), a new species from Minas Gerais, Brazil, with notes on leaf anatomy
FIGURE 1. Dyckia sulcata (E.A.E. Guarçoni 1663 & B. Paixão). A. Habit. B. Leaf. C. Detail of a leaf blade in cross section. D. Detail of a spine of the leaf blade. E. Basal peduncle bract. F. Upper peduncle bract. G. Floral Bract. H. Flower. I. Sepal. J. Petal and stamens. K. Stigma. Illustration by Reinaldo Pinto Monteiro.
FIGURE 6 in Establishment of the Hohenbergia capitata complex (Bromeliaceae) with notes on leaf anatomy and description of a new endangered species
FIGURE 6. Leaf epidermis of Hohenbergia species observed in surface view by light microscopy (A–E) and scanning electron microscopy (F–G). A–B, F. H. nidularioides. C–D, G. H. capitata. E. H. belemii. A. Adaxial epidermis, with silica-containing cells. B–C. Stomata on abaxial surfaces. D–E. General aspects showing the distribution of the scales, also known as peltate trichomes, on adaxial and abaxial surfaces, respectively. F. Detail showing the trichomes in rows and stomata in bands on the abaxial surface. G. Detail showing the polygonal and peripheral elongated cells of the shields on the adaxial surface. Legend: Arrow = stomata; arrowhead = silica body; mh = mechanical hypodermis; sc = scale; st = stoma. Scale bars: A, C = 25 µm; B, G = 50 µm; D–E = 0,5 mm; F = 100 µm.
FIGURE 5 in Establishment of the Hohenbergia capitata complex (Bromeliaceae) with notes on leaf anatomy and description of a new endangered species
FIGURE 5. Leaf anatomy of Hohenbergia species in cross sections, double stained with safranin and Astra Blue. A, D, F. H. nidularioides. B. H. belemii. C, E. H. capitata. A–C. General aspects. D–E. Detail of the leaf blade on the adaxial surface. F. Detail of the leaf blade on the abaxial surface. Legend: arrowhead = arm cell; al = air lacunae; ch = chlorenchyma; fc = fibrous cap; fs = fiber strand; mh = mechanical hypodermis; sc = scale; st = stoma; vb = vascular bundle; wt = water-storage tissue; * = substomatal chamber. Scale bars: A–C = 200 µm; D–F = 50 µm.
FIGURE 3 in Establishment of the Hohenbergia capitata complex (Bromeliaceae) with notes on leaf anatomy and description of a new endangered species
FIGURE 3. Geographic distribution of the Hohenbergia capitata complex, endemic to the coastal region of Bahia State, Brazil. The map was prepared in QGIS software and the geographic points are available in biodiversity databanks.
FIGURE 4. Hohenbergia nidularioides. A. Habit. B in Establishment of the Hohenbergia capitata complex (Bromeliaceae) with notes on leaf anatomy and description of a new endangered species
FIGURE 4. Hohenbergia nidularioides. A. Habit. B. Fertile part of the inflorescence. C. Stigma. D. Flower. E. Longitudinal cut of a flower showing the ovary and relative length of the style and stigma. F. Petal with petal appendages, stamen, style, and stigma. Drawn by Brayan Paiva Cavalcante. Bars: A = 20 cm. B = 25 mm; C = 0.5 mm; D, E = 1 cm; F = 5 mm.
FIGURE 2 in Establishment of the Hohenbergia capitata complex (Bromeliaceae) with notes on leaf anatomy and description of a new endangered species
FIGURE 2. Holotypes of the species of the Hohenbergia capitata complex. A. H. belemii Smith & Read (US00091435); B. H. capitata Schult. & Schult. f. (M0120820); C. H. nidularioides B.P. Cavalcante, E.H. Souza, A.P. Martinelli & Versieux (HURB18862).
FIGURE 3 in A New Species of Adesmia (Leguminosae, Papilionoideae, Dalbergieae) from Southern Brazil, with Notes on Leaf Anatomy
FIGURE 3. Distribution of Adesmia miottoae based on herbarium sheet labels. A South America. B Close up in Rio Grande do Sul and Santa Catarina states, Brazil, with black dots marking where the species were collected.
FIGURE 5 in A New Species of Adesmia (Leguminosae, Papilionoideae, Dalbergieae) from Southern Brazil, with Notes on Leaf Anatomy
FIGURE 5. Cross (A, C-F) and paradermal (B) sections of A. miottoae leaflet blade. A Leaflet blade stained with toluidine blue showing uniseriate epidermis and dorsiventral mesophyll with paravenal parenchyma. Observe mucilaginous cells in the epidermis. The inset show mucilaginous cells stained with Ruthenium red in the epidermis; B Frontal view of the abaxial leaflet surface showing anisocitic stomatal complex stained with Safrablau; C Leaflet blade stained with Safrablau showing trichomes (black arrows) on both leaf surfaces; D Leaflet blade stained with toluidine blue showing dorsiventral mesophyll and paravenal parenchyma cells containing phenolic compounds; E Detail of glandular trichome stained with Safrablau consisting of basis, stalk and reduced head. The left insert shows basal cells stained with toluidine blue and the right insert shows detail from the outline of secretory head stained with Safrablau; F Midrib with vascular tissues surrounded by voluminous endodermal cells. Basal trichome cells (Bc), endodermis (Ed), mucilaginous cells (Mc), palisade parenchyma (Pp), paravenal parenchyma (Pv), phloem (Ph), secretory head (Sh), spongy parenchyma (Sp), stalk cells (Sk), stomata (St), xylem (Xy). Scale bars: 150 µm (A, C, D), 100 µm (F), 50 μm (B, E).
FIGURE 4. Adesmia miottoae habitat. A in A New Species of Adesmia (Leguminosae, Papilionoideae, Dalbergieae) from Southern Brazil, with Notes on Leaf Anatomy
FIGURE 4. Adesmia miottoae habitat. A roadside in São Joaquim, SC, Brasil. B population of A. miottoae inside São Joaquim National Park. C São Joaquim National Park. Photos by Thiago Cobra e Monteiro.
FIGURE 2. Adesmia miottoae A in A New Species of Adesmia (Leguminosae, Papilionoideae, Dalbergieae) from Southern Brazil, with Notes on Leaf Anatomy
FIGURE 2. Adesmia miottoae A Paripinnate leaves, leaflets obovate; B Leaflet; abaxial face pubescent with glandular and non-glandular trichomes; C Leaflet; adaxial face pubescent, short glandular trichomes at the blade; D Short glandular trichomes; E Flower; calyx lobes longer than the tube; F Calyx indumentum; glandular and non-glandular hairs present; G Hemicraspedium fruit; H Spherical article with glandular and non-glandular hairs intermixed. (Voucher: Cobra, T. M. & Cobra, G. M. 341).
FIGURE 1. Adesmia miottoae. A in A New Species of Adesmia (Leguminosae, Papilionoideae, Dalbergieae) from Southern Brazil, with Notes on Leaf Anatomy
FIGURE 1. Adesmia miottoae. A Papilionoid flower with red nectar veins; B Calyx equalizing the corolla in length. Calyx lobes longer than the tube; C Corolla, with petals fused at the base; D Pinnate leaf with seven pairs of leaflets; E Developing fruit with a persistent calyx. Photos by Thiago Cobra e Monteiro.
FIGURE 9.Phonogram for 9 in Leaf micromorphology and anatomy in the tribe Aristideae (Poaceae) in Iran and its systematic implications
FIGURE 9.Phonogram for 9 species of Stipagrostis and 3 species of Aristida from cluster analysis based on Ward method using 18 quantitative anatomical traits; the vertical dashed lineindicates similarity coefficient;
FIGURE6 in Leaf micromorphology and anatomy in the tribe Aristideae (Poaceae) in Iran and its systematic implications
FIGURE6. Scanning electron microscopy of abaxial surface: (A) Stipagrostis ciliata (Desf.) De Winter; tubules epicuticular wax (W); (B&C) S. paradisea (Edgew.) De Winter;granules epicutucular wax and papillae (Pp); (D&E) S. raddiana (Savi) De Winter showing papillae (Pp), saddle shaped silica bodies; (F) A. abnormis Chiov. papillae and long cell with wavy wall.
FIGURE7 in Leaf micromorphology and anatomy in the tribe Aristideae (Poaceae) in Iran and its systematic implications
FIGURE7. Scanning electron microscopy of abaxial surface. (A) Aristida abnormis Chiov.,dome-shaped subsidary cell (St); (B) S. barbata H.Scholz, dome-shaped subsidary cell; (C) S. obtusa (Delile) Nees dome-shaped subsidary cell & (F) parallel-sided subsidary cell; (D) S. pennata (Trin.) De Winter.; (E) S. pogonoptila (Jaub. & Spach) De Winter, triangular subsidary cell (St);
FIGURE 5 in Leaf micromorphology and anatomy in the tribe Aristideae (Poaceae) in Iran and its systematic implications
FIGURE 5.Scanning electron microscopy of abaxial surface, (A) Aristida abnormis Chiov. prickle (Pr), Dambbell-shaped silica bodies;(B, E&F) S. barbata H. Scholz saddle shaped silica bodies, prickle (Pr), bicellular microhair (Bm); (C) A. adscensionis L. prickle &(D) macrohairs (Mh).
FIGURE 2 in Leaf micromorphology and anatomy in the tribe Aristideae (Poaceae) in Iran and its systematic implications
FIGURE 2. Leaf cross section of the Aristideae species: G: S. obtusa, H: S. raddiana I: S. pennata, J: S. plumosa.Scale bar=0.3 mm
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Allen Brain Atlas
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