Lachnocaulon anceps

(Walter) Morong

Bulletin of the Torrey Botanical Club 18:360. 1891.

Illustrated
Basionym: Eriocaulon anceps Walter Fl. Carol., 82. 1788
Synonyms: Eriocaulon villosum Michaux Lachnocaulon floridanum Small Lachnocaulon glabrum Körnicke
Treatment appears in FNA Volume 22.

Herbs, perennial, cespitose, forming domes of rosettes, 15–40 cm. Leaves narrowly to broadly linear, gradually attenuate, 2.5–6 (–12) cm. Inflorescences: scape sheaths as long as leaves; scapes filiform, 0.5 mm thick distally, obscurely 4–5-ribbed, pilose from base to apex (s Florida extreme of species glabrous-scaped); mature heads whitish to pale gray, globose to short-cylindric, 4–7 (–9) mm wide; receptacle densely pilose; outer involucral-bracts becoming reflexed, brownish, oblong to triangular, 1–1.5 mm, apex acute or obtuse, surfaces hairy abaxially and at margins; receptacular-bracts dark-brown, mostly spatulate, 1.5–2 mm, apex obtuse, distally with white, club-shaped hairs. Staminate flowers: sepals 3, dark-brown, narrowly spatulate, 1.5–2 mm, apex acute, abaxially with white hairs; androphore pale, narrowly club-shaped, 1.5 mm, glabrous; stamens 3, appendages 3. Pistillate flowers: sepals 3, pale, oblong to broadly linear, 2 mm (enlarging to 3 mm), apex acute, distal abaxial surface pubescent, hairs white; gynoecium 3-carpellate; stylar column pale, dilated apically, appendages 3. Seeds pale to dark-brown, not lustrous, ellipsoid, 0.5–0.55 mm, longitudinal ribs conspicuous, pale, transverse ribs less conspicuous, pattern fine but coarser than in L. beyrichianum.


Phenology: Flowering spring–summer.
Habitat: Moist sands and peats of shores, pine savanna, bog and seep edges, flatwoods clearings
Elevation: 0–400 m

Distribution

V22 154-distribution-map.jpg

Ala., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., Va., West Indies (Cuba)

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Lachnocaulon anceps"
club--shaped +
pale +  and yellowish +
longitudinal +
versatile +  and dorsifixed +
Acute (?) +  and Obtuse (?) +
peglike +  and glandlike +
cleft +, fringed +  and bladelike +
Robert Kral +
(Walter) Morong +
branching +, monopodial +  and sympodial +
dilated +
Eriocaulon anceps +
tapering;lingulate;linear;linear-triangular +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tenn. +, Tex. +, Va. +  and West Indies (Cuba) +
0–400 m +
mealy-starchy +
epipetalous +
pistillate +  and staminate +
lanceovoid +
Moist sands and peats of shores, pine savanna, bog and seep edges, flatwoods clearings +
compound +  and simple +
club--shaped +
whitish +  and pale gray +
globose;short-cylindric +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
involucrate +  and simple +
axillary +  and terminal +
short-cylindric +  and buttonlike +
6 cm60 mm <br />0.06 m <br /> (12 cm120 mm <br />0.12 m <br />) +
attenuate +
2.5 cm25 mm <br />0.025 m <br /> (6 cm60 mm <br />0.06 m <br />) +
2-cleft +, acute +  and oblique +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
orthotropous +  and pendulous +
adaxial-apical +
reduced to small +
Flowering spring–summer. +
Bulletin of the Torrey Botanical Club +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
transverse +  and longitudinal +
conspicuous +
not septate +  and branched +
slender +
multiribbed +, twisted +  and simple +
filiform +
0.5 cm5 mm <br />0.005 m <br /> (?) +
not lustrous +
sculptured +
ellipsoid +
pale +  and dark-brown +
distinct +
oblong;broadly linear +
2 cm20 mm <br />0.02 m <br /> (?) +, 0.15 cm1.5 mm <br />0.0015 m <br /> (?) +  and 0.2 cm2 mm <br />0.002 m <br /> (?) +
Illustrated +
unequal +
prostrate +  and repent +
elongate +
short-to-elongate +
Eriocaulon villosum +, Lachnocaulon floridanum +  and Lachnocaulon glabrum +
Lachnocaulon anceps +
Lachnocaulon +
species +
scapose +  and caulescent +
herb +  and cespitose +
pubescent +  and glabrous +