Difference between revisions of "Xyris isoetifolia"
Sida 2: 227, plate [p. 252], fig 2. 1966.
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|place=2: 227, plate [p. 252], fig 2. 1966 | |place=2: 227, plate [p. 252], fig 2. 1966 | ||
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name=Xyris isoetifolia | name=Xyris isoetifolia | ||
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|authority=Kral | |authority=Kral | ||
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|publication title=Sida | |publication title=Sida | ||
|publication year=1966 | |publication year=1966 | ||
| − | |special status= | + | |special status=Illustrated;Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_475.xml |
|genus=Xyris | |genus=Xyris | ||
|species=Xyris isoetifolia | |species=Xyris isoetifolia | ||
Latest revision as of 20:31, 5 November 2020
Herbs, perennial, densely cespitose, (15–)20–30(–40) cm, base not abruptly bulbous. Stems compact. Leaves erect or ascending, 4–15 cm; sheaths glossy brown or red-brown, chaffy; blade green, filiform or narrowly linear, twisted, to 1 mm wide, smooth. Inflorescences: scape sheaths exceeded by leaves; scapes linear, nearly terete, 0.5(–0.7) mm wide, smooth, not ribbed; spikes ellipsoid to obovoid, 5–7(–10) mm; fertile bracts ca. 4.5 mm, margins nearly entire, apex rounded. Flowers: lateral sepals included, reddish brown, linear-curvate, 4 mm, keel firm, ciliate; petals unfolding in morning, blade obovate, 4 mm; staminodes bearded. Seeds translucent, ellipsoid, 0.5 mm, distinctly longitudinally ribbed, with fainter transverse lines. 2n = 18.
Phenology: Flowering summer–fall.
Habitat: Sphagnous bogs, low pine savanna, shores of dolines, coastal plain
Elevation: 0–100 m
Discussion
Xyris isoetifolia, locally abundant only in northwest Florida, is most often mistaken for X. baldwiniana but is distinguishable by its bearded staminodes and more distinctly ribbed, shorter seeds.
Selected References
None.