Comprehensive Description
(
英語
)
由Smithsonian Contributions to Botany提供
Vellozia virgata Goethart & Henrard
SPECIMENS EXAMINED.—Schwacke 5889; Porto 543.
SURFACE VIEW.—Hairs: few papillae present. Epidermis: cells square to rectangular on both surfaces; some rounded on adaxial surface; walls thin on both surfaces. Stomata: paracytic, 12 × 3 μm; present on abaxial and adaxial surfaces.
TRANSVERSE SECTION OF LAMINA.—Dorsiventral; widely V-shaped with large median adaxial groove. Adaxial and abaxial surfaces slightly ridged; very small furrows in Porto 543. Epidermis: cells rounded to dome shaped on both surfaces; thin walled. Cuticle: slightly thickened and ridged on both surfaces; a little thicker on abaxial surface. Stomata: present on abaxial and adaxial surfaces; substomatal chamber present. Mesophyll: palisade tissue indistinct; spongy tissue compact. Vascular bundle: 7–10; few commissural bundles observed. One to two large vessels present in each vascular bundle. Two phloem units laterally arranged in flanges of Y-shaped abaxial girder. Adaxial cap present on each vascular bundle. Bundle sheath completely surrounding each vascular bundle. Crystals and tannins: not observed.
- 書目引用
- Ayensu, Edward S. 1974. "Leaf Anatomy and Systematics of New World Velloziaceae." Smithsonian Contributions to Botany. 1-125. https://doi.org/10.5479/si.0081024X.15
Comprehensive Description
(
英語
)
由Smithsonian Contributions to Botany提供
Vellozia virgata Goethart & Henrard
Vellozia virgata Goethart 8e Henrard, Blumea, 2:382, 1937.— L. B. Smith, Contr. U.S. Nat. Herb., 35:261, 1962—Ayensu, Smithsonian Contr. Bot., 15:45, fig. 3a–b, pl. 46d, 1974.
TYPE.—Rocky campo, Serra de São José (João?) del Rei, Minas Gerais, Brazil, 20 January 1889, Glaziou 17832a (L, holotype; B, photo).
DISTRIBUTION.—Brazil: Minas Gerais: Pico Itabira do Campo, São João(?) del Rei.
- 書目引用
- Smith, Lyman B. and Ayensu, Edward S. 1976. "A Revision of American Velloziaceae." Smithsonian Contributions to Botany. 1-172. https://doi.org/10.5479/si.0081024X.30
Vellozia virgata: Brief Summary
(
越南語
)
由wikipedia VI提供
Vellozia virgata là một loài thực vật có hoa trong họ Velloziaceae. Loài này được Goethart & Henrard miêu tả khoa học đầu tiên năm 1937.
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