Comments
(
anglais
)
fourni par eFloras
Taxonomically, Xyris longisepala is nearest to X. smalliana, a frequent associate around the dolines. Xyris smalliana is taller, with broader leaves, broader scapes, longer spikes, and longer seeds. The flowering time of day overlaps, but X. longisepala blooms first.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
anglais
)
fourni par eFloras
Herbs, perennial, cespitose, 30--90 cm. Stems compact. Leaves ascending in narrow fans, 6--30 cm; sheaths pinkish, soft, smooth; blade pale green to pale red-brown, narrowly linear, 1--2(--3) mm wide, smooth, margins smooth. Inflorescences: scape sheaths exceeded by leaves; scapes linear, slightly twisted, nearly terete, 0.7--1 mm, smooth, distally striate or 1-ribbed; spikes ellipsoid to narrowly obovoid, 10--16 mm; fertile bracts 4--6 mm, margins entire, aging to erose, apex rounded. Flowers: lateral sepals exserted, linear-curvate, 0.5--1 mm longer than subtending bract, keel scarious, lacero-ciliate, apex not red, thin, lacero-fimbriate; petals unfolding around noon or in afternoon, blade obovate, 3.5 mm; staminodes bearded. Seeds translucent, ellipsoid, 0.4--0.6 mm, distinctly longitudinally ribbed with few, indistinct cross ribs.
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- cc-by-nc-sa-3.0
- droit d’auteur
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
(
anglais
)
fourni par eFloras
Moist to wet sandy borders of dolines, sandy swales in longleaf pine hills; of conservation concern; 0--200m.
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- cc-by-nc-sa-3.0
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Xyris longisepala: Brief Summary
(
anglais
)
fourni par wikipedia EN
Xyris longisepala, common name Kral's yelloweyed grass, is an uncommon North American species of flowering plants in the yellow-eyed-grass family. It has been found only in a small region in the southeastern United States: southeastern Alabama and the Florida Panhandle.
Xyris longisepala is a perennial herb up to 90 cm (3 feet) tall with long, narrow leaves up to 30 cm (12 inches) long but only 3 mm (0.12 inches) wide.
Xyris longisepala is listed as an endangered species in Florida.
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- Wikipedia authors and editors
Xyris longisepala: Brief Summary
(
vietnamien
)
fourni par wikipedia VI
Xyris longisepala là một loài thực vật hạt kín trong họ Hoàng đầu. Loài này được Kral miêu tả khoa học đầu tiên năm 1966.
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- Wikipedia tác giả và biên tập viên