Bulbostylis barbata

(Rottbøll) C. B. Clarke in J. D. Hooker

in J. D. Hooker, Fl. Brit. India 6: 651. 1893.

Illustrated
Basionym: Scirpus barbatus Rottbøll Descr. Pl. Rar., 27. 1772
Synonyms: Bulbostylis floridana (Britton) Fernald Isolepis barbata (Rottbøll) R. Brown Scirpus dussii Boeckeler Stenophyllus floridanus Britton ex Nash
Treatment appears in FNA Volume 23. Treatment on page 133. Mentioned on page 132.

Herbs, annual, densely cespitose, scapose, low. Culms 5–20 (–30) cm. Leaves to 2/3 length of scapes; sheaths greenish or tan, glabrous or hispidulous on ribs; blades spreading, filiform, 0.5 mm wide, involute, margins scabridulous. Inflorescences: scapes filiform, coarsely few ribbed, to 0.5 mm thick; spikelets in terminal headlike, involucrate clusters, 1–1.5 cm wide; involucral-bracts with setaceous blades rarely exceeding inflorescence. Spikelets red to redbrown or dull brown, lanceovoid to lanceoloid or linearoblong; fertile scales lanceolate, keeled, 1.2–2.2 mm, glabrous, midrib excurrent as mucro. Flowers: stamens 1; anthers oblong, 1 mm. Achenes trigonous, obovoid, 0.5–0.6 mm, angles often sharp, faces flat or slightly concave, finely reticulate; tubercle a small button. 2n = 10.


Phenology: Fruiting summer–fall.
Habitat: Moist to dry sands and sandy peats, weedy in open disturbed sandy sites
Elevation: 0–500 m

Distribution

V23 208-distribution-map.jpg

Ala., Fla., Ga., La., Miss., N.C., S.C., Tenn., Tex., West Indies (Martinique), Central America, tropical Africa (including Madagascar), tropical Asia (including Indonesia), tropical Atlantic Islands, Indian Ocean Islands, tropical Pacific Islands, tropical Australia

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Bulbostylis barbata"
obovoid;trigonous +
1 cm10 mm <br />0.01 m <br /> (?) +
Robert Kral +
(Rottbøll) C. B. Clarke in J. D. Hooker +
shortened +
persistent +
enlarged +
Scirpus barbatus +
usually longer +
setaceous +  and filiform +
glumaceous +  and foliaceous +
2-ranked +  and arranged +
ascending +  and appressed +
parallel +  and divergent +
terete +, rolled +  and plicate +
5 cm50 mm <br />0.05 m <br /> (20 cm200 mm <br />0.2 m <br />) +
Ala. +, Fla. +, Ga. +, La. +, Miss. +, N.C. +, S.C. +, Tenn. +, Tex. +, West Indies (Martinique) +, Central America +, tropical Africa (including Madagascar) +, tropical Asia (including Indonesia) +, tropical Atlantic Islands +, Indian Ocean Islands +, tropical Pacific Islands +  and tropical Australia +
0–500 m +
concave;flat +
hypogynous +  and subtending +
biconvex +  and trigonous +
Moist to dry sands and sandy peats, weedy in open disturbed sandy sites +
compound +  and simple +
erect +  and spreading +
polystichous +
scabridulous +
with (1-)3-6(-30) bristles and/or scales +
Fruiting summer–fall. +
2-3(-4)-carpellate +
3 (?) +  and 1 (?) +
in J. D. Hooker, Fl. Brit. India +
adventitious +
distichous +  and arranged +
basal +  and proximal +
keeled;lanceolate +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.22 cm2.2 mm <br />0.0022 m <br />) +
few +  and 2/3 +
filiform +
0 cm0 mm <br />0 m <br /> (?) +  and 0.05 cm0.5 mm <br />5.0e-4 m <br /> (?) +
hispidulous +  and glabrous +
cylindric +
Illustrated +
red +  and redbrown or dull brown +
1 +  and 50 +
linearoblong;lanceovoid;lanceoloid +
septate +, hollow +  and solid +
compressed +, terete +  and trigonous +
papillate +
(2-)3-fid +
slender +
Bulbostylis floridana +, Isolepis barbata +, Scirpus dussii +  and Stenophyllus floridanus +
Bulbostylis barbata +
Bulbostylis +
species +
herb +  and cespitose +