Syngonanthus flavidulus

(Michaux) Ruhland in H. G. A. Engler

in H. G. A. Engler,Das Pflanzenreich 13[IV,30]: 256. 1903.

IllustratedEndemic
Basionym: Eriocaulon flavidulum Michaux Fl. Bor.-Amer. 2: 166. 1803
Synonyms: Paepalanthus flavidulus (Michaux) Kunth
Treatment appears in FNA Volume 22.

Herbs, perennial, cespitose, rosulate, 5–30 cm. Stems contracted or elongate to 5 cm, chaffy. Leaves: principal leaves mostly spreading-recurved, narrowly linear, 2–6 cm, base pale, apex narrowly acute to subulate, abruptly dilated, surfaces nearly glabrous or grading to copiously hairy. Inflorescences: scape sheaths erect or narrowly ascending, as long as leaves, proximal surfaces glabrous or scattered glandular-pilosulous; scapes filiform, to 1 mm wide, pilose, hairs variably ascending to spreading, translucent, pubescence increasingly glandular distally; mature heads white or yellow-white (aging dull white or pale gray), hemispheric to globose, 5–10 mm wide; receptacle densely pilose, hairs translucent, sharp; involucral-bracts ascending, later spreading to recurved, lance-oblong or narrowly ovate, larger ones 3 mm, margins entire, apex acute, glabrous; receptacular-bracts absent. Staminate flowers: sepals pale translucent, spatulate to oblanceolate, 2–3 mm, apex acute, adaxially pilose distally; androphore 2.5 mm, hairy at base; petals pale-yellow, short-triangular. Pistillate flowers: sepals pale, translucent, linear or narrowly oblong, 3 mm, apex acuminate, surfaces glabrescent; petals connivent or connate above ovary forming beaklike apex, pale, narrowly linear, 3 mm; gynophore hairy; style with apex unappendaged; stigma branches exsert, linear. Seeds translucent brown, ovoid, 0.5 mm, finely longitudinally lined, very finely cross-lined, apex apiculate.


Phenology: Flowering spring–early summer.
Habitat: Moist sands of bog and pond edges, ditchbanks, pine savanna, sandhills ecotones
Elevation: 0–200 m

Distribution

V22 160-distribution-map.jpg

Ala., Fla., Ga., N.C., S.C.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Syngonanthus flavidulus"
funnel +  and club--shaped +
longitudinal +
basifixed +  and versatile +
unappendaged +
pilose +  and glabrous +
beaklike +, acuminate +, acute +, dilated +, narrowly acute +  and subulate +
peglike +  and glandlike +
cleft +, fringed +  and bladelike +
Robert Kral +
(Michaux) Ruhland in H. G. A. Engler +
branching +, monopodial +  and sympodial +
stipelike +
Eriocaulon flavidulum +
lacunate +
tapering;lingulate;linear;linear-triangular +
slender +
Ala. +, Fla. +, Ga. +, N.C. +  and S.C. +
0–200 m +
mealy-starchy +
pistillate +  and staminate +
expanding +
Moist sands of bog and pond edges, ditchbanks, pine savanna, sandhills ecotones +
compound +  and simple +
variably ascending;spreading +
yellow-white +  and white +
hemispheric;globose +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
involucrate +  and simple +
axillary +  and terminal +
short-cylindric +  and buttonlike +
later spreading +  and recurved +
3 cm30 mm <br />0.03 m <br /> (?) +
low-triangular +
white +  and yellowish +
dorsifixed +
orthotropous +  and pendulous +
adaxial-apical +
pale +  and pale-yellow +
short-triangular +
3 cm30 mm <br />0.03 m <br /> (?) +
Flowering spring–early summer. +
spreading-recurved +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
glandular-pilosulous +, scattered +  and glabrous +
in H. G. A. Engler,Das Pflanzenreich +
not septate +  and unbranched +
multiribbed +, twisted +  and simple +
1;several +
filiform +
ascending +  and erect +
slender +
0mm;1mm +
cross-lined +  and translucent brown +
sculptured +
0.5 cm5 mm <br />0.005 m <br /> (?) +
pale +  and pale translucent +
distinct +
oblong;linear;spatulate;oblanceolate +
3 cm30 mm <br />0.03 m <br /> (?) +, 0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
Illustrated +  and Endemic +
unequal +
prostrate +  and repent +
elongate +
short-to-elongate +
2-3-branched +, unappendaged +  and appendaged +
glabrescent +, hairy +, grading +  and glabrous +
Paepalanthus flavidulus +
Syngonanthus flavidulus +
Syngonanthus +
species +
scapose +  and caulescent +
herb +  and cespitose +
pubescent +  and glabrous +