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571 results for “sheath”
FIGURE 6. Calamus katikii. A. Leaf sheath with whole leaf and infructescence B. Fruit. C in More new rattans from New Guinea and the Solomon Islands (Calamus, Arecaceae)
FIGURE 6. Calamus katikii. A. Leaf sheath with whole leaf and infructescence B. Fruit. C. Seed in two views. D. Seed in longitudinal section. Scale bar: A = 3 cm; B–D = 1 cm. All from Katik LAE 74954. Drawn by Lucy T. Smith.
FIGURE 1. Bulbostylis cangae. A. Habit. B. Culm detail. C. Sheath apex. D in Bulbostylis cangae, a new species of Cyperaceae from Northern Brazil (Serra dos Carajás, Pará State)
FIGURE 1. Bulbostylis cangae. A. Habit. B. Culm detail. C. Sheath apex. D. Abaxial surface of leaf blade. E. Adaxial surface of leaf blade. F. Lower involucral bract. G. Upper involucral bract. H. Inflorescence. I. Spikelets. J–K. Glumes. L. Achene. Illustration by João Silveira based on the holotype R. Secco & O. Cardoso 677 (MG).
FIGURE 1. Calamus tadulakoensis. A. Cirrus with irregular spines. B. Grayish-white indumentose abaxial pinna surface. C. Leaf sheath with non-spiny knee. D in A new species of Calamus (Calaminae, Calamoideae, Arecaceae) from Sulawesi, Indonesia
FIGURE 1. Calamus tadulakoensis. A. Cirrus with irregular spines. B. Grayish-white indumentose abaxial pinna surface. C. Leaf sheath with non-spiny knee. D. Fruits borne on short, stout pedicels.
FIGURE 2. Gastrodia elatoides. A. Habitat. B. The whole plant. C. Inflorescence. D. Tuber and peduncle with tubular sheaths. E in Gastrodia elatoides (Orchidaceae: Epidendroideae: Gastrodieae), a new holomycoheterotrophic orchid from Madagascar
FIGURE 2. Gastrodia elatoides. A. Habitat. B. The whole plant. C. Inflorescence. D. Tuber and peduncle with tubular sheaths. E. Front view of flower. F. Lateral view of flower. G. Dorsal view of flower. H. Bract. I. Column. J. Upper part of column without anther, showing the rostellum. K–L. Pollinia and anther cap (K, bottom view; L, top view). M–N. Dissected flower showing the lip. Scale bars: A = 20 cm; C, D = 2 cm; E, F, G, H, I = 5 mm; J, K, L, M, N = 2 mm.
FIGURE 28. Hydriastele lurida. A–B. Crown. C. Sheath mouth. D. Infructescence. A in A monograph of Hydriastele (Areceae, Arecaceae) in New Guinea and Australia
FIGURE 28. Hydriastele lurida. A–B. Crown. C. Sheath mouth. D. Infructescence. A from Biak Island; B–D from Baker et al. 1339. All photos: W.J. Baker.
FIGURE 5. Hydriastele kasesa. A. Leaf apex. B. Mid-leaf portion. C. Leaf base. D. Leaf sheaths and inflorescences. E. Infructescence. F in A monograph of Hydriastele (Areceae, Arecaceae) in New Guinea and Australia
FIGURE 5. Hydriastele kasesa. A. Leaf apex. B. Mid-leaf portion. C. Leaf base. D. Leaf sheaths and inflorescences. E. Infructescence. F. Staminate flower whole and in longitudinal section. G. Pistillate flower whole, two views, and in longitudinal section. H. Portion of rachilla with fruit. I. Fruit in longitudinal section. Scale bar: A–C = 8 cm; D = 6 cm; E = 4 cm; F = 5 mm; G = 2.2 mm; H = 1 cm; I = 7 mm. All from Takeuchi 9902. Drawn by Lucy T. Smith.
FIGURE 8. Hydriastele apetiolata. A. Leaf apex. B. Mid-leaf portion. C. Leaf base with sheath. D. Juvenile leaf. E. Infructescence. F in A monograph of Hydriastele (Areceae, Arecaceae) in New Guinea and Australia
FIGURE 8. Hydriastele apetiolata. A. Leaf apex. B. Mid-leaf portion. C. Leaf base with sheath. D. Juvenile leaf. E. Infructescence. F. Portion of rachilla with triads. G. Staminate flower in longitudinal section. H. Pistillate flower whole and in longitudinal section. I. Portion of rachilla with fruit. J. Fruit in longitudinal section. Scale bar: A–C = 6 cm; D = 12 cm; E = 6 cm; F = 7 mm; G = 5 mm; H = 3.3 mm; I = 1.5 cm; J = 1 cm. All from Baker et al. 884. Drawn by Lucy T. Smith.
FIGURE 15. Drouetiella fasciculata. A. Fasiculated filaments with individual sheath. B in Revision of the Synechococcales (Cyanobacteria) through recognition of four families including Oculatellaceae fam. nov. and Trichocoleaceae fam. nov. and six new genera containing 14 species
FIGURE 15. Drouetiella fasciculata. A. Fasiculated filaments with individual sheath. B. Mature trichomes with one to two large central granules. B–C. Different coiling patterns of filaments. D. Hormogonia. E–G. Cells barrel-shaped, not constricted and separated by somewhat translucent cross-walls. Scale bar 10μm in 400X (A) and 1000X magnification (B–J).
FIGURE 1. A–F Guihaia heterosquama. A. Habit. B. Sheath fibers. C–D. Male Flower. E–F in Guihaia heterosquama, a new species of coryphoid palm (Arecaceae) from Chongqing, China
FIGURE 1. A–F Guihaia heterosquama. A. Habit. B. Sheath fibers. C–D. Male Flower. E–F. Female Flower. Scale bar: A = 10 cm, B = 5 cm, C–F = 1 mm. Illustration by Xi He.
FIGURE 3. Dendrobium annulatum. A. Flowering plant. B. Leaf and leaf sheath. C. Stem with inflorescence. D. Flower. E. Dorsal sepal. F. Lateral sepal. G. Petal. H. Lip. J in Dendrobium annulatum (Orchidaceae: Epidendroideae), a new species of Dendrobium section Grastidium from Indonesian New Guinea
FIGURE 3. Dendrobium annulatum. A. Flowering plant. B. Leaf and leaf sheath. C. Stem with inflorescence. D. Flower. E. Dorsal sepal. F. Lateral sepal. G. Petal. H. Lip. J. Hairs on lip. K. Ovary, column and lip, lateral view. L. Column. M & N. Anther. O. Pollinia. A–C after photographs by Jeff Champion; D–O after spirit material of the isotype at K. Single scale bar 1 mm, double scale bar 1 cm (drawn by Judi Stone).
FIGURE 2. A–L. Syagrus amicorum. A. Leaf sheath with woody fibers like rudimentary spines. B. Leaf blade. B1 in Syagrus amicorum, a new Arecaceae from Bahia, Brazil
FIGURE 2. A–L. Syagrus amicorum. A. Leaf sheath with woody fibers like rudimentary spines. B. Leaf blade. B1. Adaxial surface of the apical portion. B2. Abaxial surface of the middle portion showing the dense floccose tomentum where the leaflets are inserted on the rachis. C. Leaflet apex. D. Middle-apical portion of the inflorescence. E. Apical portion of dry peduncular bract. F. Flowers triad at basal portion of the rachilla, a pistillate flower flanked by two lateral staminate flowers. G. Staminate flower. H. Pistillate flower. I. Fruit in lateral view. J. Fruit in top view. K. Mature fruit split at its apex, showing the mesocarp and the endocarp. L. Endocarps, one of them sectioned showing the homogeneous endosperm. Drawn by K. Soares from K. Soares et al. 67.
FIGURE 3. Chusquea cortesii. A. Branch complement showing infravaginal branching and abaxially glabrous culm leaf sheath. B. Bud complement showing lateral root appendages. C. Foliar leaf complement. D. Foliage leaf ligular area, abaxial view. E. Synflorescence. F in Two new species of Chusquea (Poaceae: Bambusoideae: Bambuseae) from Mexico, one of them morphologically unusual, and a key to the Mexican sections of Chusquea
FIGURE 3. Chusquea cortesii. A. Branch complement showing infravaginal branching and abaxially glabrous culm leaf sheath. B. Bud complement showing lateral root appendages. C. Foliar leaf complement. D. Foliage leaf ligular area, abaxial view. E. Synflorescence. F. Detail of the synflorescence showing spikelets. G. Spikelet lateral view showing glumes I, III and lemma. H. Spikelet lateral view showing glumes II, IV and palea. (A-D based on Ruiz-Sanchez & Álvarez 406; E-H based on Cuevas et al. 5103). Drawn by Alfonso Barbosa.
FIGURES 17–19. Hassallia littoralis TEM images. Fig. 17. Hormogonia formation through a necridic cell. Fig. 18. Young isopolar hormogonium with a wide stratified sheath. Fig. 19 in Hassallia littoralis sp. nov. (Cyanobacteria, Microchaetaceae) from Mexico's marine supralittoral based on morphological and molecular evidence
FIGURES 17–19. Hassallia littoralis TEM images. Fig. 17. Hormogonia formation through a necridic cell. Fig. 18. Young isopolar hormogonium with a wide stratified sheath. Fig. 19. Evident polar nodule in a basal heterocyte. Scale bars: Fig. 17: 3 µm, Fig. 18: 5 µm, Fig. 19: 1 µm.
FIGURE 2. Calamus flavinervis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B. Leaf, showing clustered pinnae. C in Four new species of Calamus (Arecaceae) from Vietnam
FIGURE 2. Calamus flavinervis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B. Leaf, showing clustered pinnae. C. Distalmost pinnae, showing cluster of pinnae with the distalmost pair oriented away from the sheath and the adjacent pair oriented at a 45º angle to the rachis. D. Partial pistillate inflorescence. (A–D from Henderson & Nguyen Quoc Dung 3869).
FIGURE 1. Calamus batoensis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B in Four new species of Calamus (Arecaceae) from Vietnam
FIGURE 1. Calamus batoensis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B. Distalmost pinnae, showing cluster of pinnae with the distalmost pair oriented away from the sheath and the adjacent pair oriented at a 45º angle to the rachis. C. Pistillate inflorescence showing swollen rachis bracts and recurved rachillae. D. Fruits. (A –C from Henderson et al. 3809, D from Henderson et al. 3808).
FIGURE 14. Calamus womersleyi. A. Leaf sheath with ocrea and flagellum. B. Leaf diagram. C. Mid-leaf portion. D. Leaf apex. E in New rattans from New Guinea (Calamus, Arecaceae)
FIGURE 14. Calamus womersleyi. A. Leaf sheath with ocrea and flagellum. B. Leaf diagram. C. Mid-leaf portion. D. Leaf apex. E. Details of leaf rachis with indumentum. F. Portion of pistillate inflorescence. G. Portion of staminate inflorescence. H. Portion of pistillate rachilla. I. Fruit. J, K. Seed in two views. L. Seed in longitudinal section. Scale bar: A = 2.5 cm; B = 24 cm; C, D = 6 cm; E = 1.5 cm; F, G = 8 cm; H, J–L = 7 mm; I = 7 mm. A, C–E, G from Moore & Womersley 9285; B, F, H from Womersley & Thorne NGF 12753; I–L from Womersley & Thorne NGF 12758. Drawn by Lucy T. Smith.
FIGURE 9. Calamus oresbius. A. Leaf sheath with staminate inflorescence. B. Whole leaf. C. Leaflet detail showing transverse veinlets. D in New rattans from New Guinea (Calamus, Arecaceae)
FIGURE 9. Calamus oresbius. A. Leaf sheath with staminate inflorescence. B. Whole leaf. C. Leaflet detail showing transverse veinlets. D. Portion of pistillate inflorescence. E. Staminate rachilla. F. Portion of pistillate rachilla. G, H. Pistillate flower whole and in longitudinal section. I. Fruit. J, K. Seed in two views. L. Seed in longitudinal section. Scale bar: A, D = 3 cm; B = 6 cm; C = 1 cm; E, F = 5 mm; G, H = 3 mm, I = 1 cm; J–L = 7 mm. A–C, E from Baker et al. 627; D, F–H from Baker et al. 609; I–L from Baker et al. 624. Drawn by Lucy T. Smith.
FIGURE 8. Calamus nanduensis. A. Leaf sheath with ocrea. B. Leaf apex. C in New rattans from New Guinea (Calamus, Arecaceae)
FIGURE 8. Calamus nanduensis. A. Leaf sheath with ocrea. B. Leaf apex. C. Portion of pistillate inflorescence. D. Pistillate rachilla with immature fruit. Scale bar: A = 3 cm; B, C = 4 cm; D = 7 mm. From Banka et al. 2010. Drawn by Lucy T. Smith.
FIGURE 10. Calamus retroflexus. A. Leaf sheath with basal leaflets. B. Leaf diagram. C. Leaf apex. D in New rattans from New Guinea (Calamus, Arecaceae)
FIGURE 10. Calamus retroflexus. A. Leaf sheath with basal leaflets. B. Leaf diagram. C. Leaf apex. D. Primary branch of pistillate inflorescence. E. Portion of staminate inflorescence primary branch with rachillae. F. Pistillate rachilla. Scale bar: A, C = 4 cm; B = 30 cm; D = 6 cm; E = 1.5 cm; F = 7 mm. A, D, F from Dransfield et al. JD 7723; B, C, E from Maturbongs et al. 651. Drawn by Lucy T. Smith.
FIGURE 6. Calamus johnsii. A. Leaf sheath with basal leaflets and staminate inflorescence. B. Leaf diagram. C. Leaf apex. D. Staminate rachilla. E in New rattans from New Guinea (Calamus, Arecaceae)
FIGURE 6. Calamus johnsii. A. Leaf sheath with basal leaflets and staminate inflorescence. B. Leaf diagram. C. Leaf apex. D. Staminate rachilla. E. Portion of infructescence. F. Fruit. G, H. Seed in two views. I. Seed in longitudinal section. Scale bar: A = 3 cm; B = 25 cm; C = 6 cm; D = 3.3 cm; E = 4 cm; F = 1 cm; G–I = 7 mm. A–D from Essig LAE 55061; E–I from Brass 25397. Drawn by Lucy T. Smith.
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