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Lachnocaulon engleri

Lachnocaulon engleri Ruhl.  
Family: Eriocaulaceae
Engler's Bogbutton
Lachnocaulon engleri image
  • FNA
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Robert Kral;  in Flora of North America (vol. 22)
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.

Flowering summer--fall. Moist sandy-peaty lake and pond shores, drawdowns, ditchbanks, low sandy clearings in savanna and flatwoods; of conservation concern; 0--100 m; Ala., Fla.
Lachnocaulon engleri
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University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
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Lachnocaulon engleri image
University of Florida Herbarium
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Lachnocaulon engleri image
Lachnocaulon engleri image
Lachnocaulon engleri image
University of Florida Herbarium
Lachnocaulon engleri image
Lachnocaulon engleri image
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