Tetragonotheca helianthoides
Sp. Pl. 2: 903. 1753.
IllustratedEndemic
Stems patently to retrorsely ± villous. Leaves cauline, not connate-perfoliate; blades ovate to rhombic or lanceolate, 7–20 × 3–13 cm, coarsely toothed. Ray-florets 6–14; laminae 15–40+ mm. Cypselae ± ovoid, 4–6 mm; pappi 0.2n = 34.
Phenology: Flowering mid spring–early summer.
Habitat: Sandy soils, often in thickets
Elevation: 0–400 m
Distribution
Ala., Fla., Ga., Miss., N.C., S.C., Tenn., Va.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Tetragonotheca helianthoides"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
decurrent +
toothed;ovate;rhombic or lanceolate +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
yellow +
monomorphic +
32-40-ribbed +
dimorphic +
ovoid +
4mm;6mm +
staminate +
straight +
scabrellous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
indeterminate +
Present +
surrounding +
obpyramidal;hemispheric +
not connate-perfoliate +
opposite +
cauline +
deltate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
Sp. Pl. +
1753 +
pistillate +
absent +
fertile +
paleate +
conic +
fibrous +
spatulate +
exalbuminous +
modifed +
alternate +
erect +
villous +
2-branched +
papillate +
Tetragonotheca helianthoides +
Tetragonotheca +
species +
cylindric +
ampliate +
much shorter +
toothed +
perennial +