Difference between revisions of "Lachnocaulon engleri"
in H. G. A. Engler,Das Pflanzenreich 13[IV,30]: 241. 1903.
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| + | |label=Illustrated | ||
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| + | |code=E | ||
| + | |label=Endemic | ||
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| + | |code=C | ||
| + | |label=Conservation concern | ||
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name=Lachnocaulon engleri | name=Lachnocaulon engleri | ||
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|authority=Ruhland in H. G. A. Engler | |authority=Ruhland in H. G. A. Engler | ||
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|publication title=in H. G. A. Engler,Das Pflanzenreich | |publication title=in H. G. A. Engler,Das Pflanzenreich | ||
|publication year=1903 | |publication year=1903 | ||
| − | |special status= | + | |special status=Illustrated;Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V22/V22_139.xml |
|genus=Lachnocaulon | |genus=Lachnocaulon | ||
|species=Lachnocaulon engleri | |species=Lachnocaulon engleri | ||
Revision as of 22:20, 27 May 2020
Herbs, short-lived perennial, solitary or cespitose, forming low domes of rosettes, 6–15 cm. Leaves mostly linear-triangular, 2–4 cm, apex acute. Inflorescences: scape sheaths shorter than or as long as principal leaves; scapes filiform, distally 0.4 mm thick, 4–5-ribbed, glabrous; mature heads dark brown or reddish brown, nearly globose, usually short cylindric by seeding time, 3–4 mm; receptacle densely pilose; involucral bracts soon reflexed, brown, mostly ovate, 1(–1.5) mm, apex broadly acute to obtuse, surfaces glabrous or apex sparsely pilose, hairs translucent, club-shaped; receptacular bracts, dark brown, broadly spatulate or obovate-cuneate, concave, with broad, low, pale keel, 1–1.5 mm, apex short-acuminate, glabrous or abaxial surface with translucent, club-shaped hairs distally. Staminate flowers: sepals 3, dark brown, narrowly spatulate to oblanceolate-cuneate, concave, 1 mm, glabrous or abaxially with scattered translucent, club-shaped hairs distally; androphore pale, narrowly obconic, as long as sepals, glabrous, rarely apex with few club-shaped hairs; stamens 2–3, appendages (2–)3. Pistillate flowers: sepals 3, dark brown, spatulate-oblong, concave, 1 mm, abaxially sparsely pubescent distally, hairs translucent; gynoecium 3-carpellate; styles: apex 3-cleft, appendages 3. Seeds rich translucent brown, broadly ovoid to ellipsoid, 0.4–0.5 mm, longitudinal ribs conspicuous and pale, transverse striae fine forming linear cancellae.
Phenology: Flowering summer–fall.
Habitat: Moist sandy-peaty lake and pond shores, drawdowns, ditchbanks, low sandy clearings in savanna and flatwoods
Elevation: 0–100 m
Discussion
Of conservation concern.
Selected References
None.