Hymenopappus radiatus
Contr. U.S. Natl. Herb. 1: 122. 1891.
Endemic
Treatment appears in FNA Volume 21. Treatment on page 310.
Perennials, 30–45 cm. Leaves: basal 2-pinnate, 8–14 cm, lobes 5–15+ × 1–2 mm; cauline 2–3. Heads 6–8 per stem. Peduncles 3–8 cm. Phyllaries yellowish, 7–9 × 3–5 mm. Ray-florets 8; corollas white, laminae 14–16 mm. Disc-florets 30–50+; corollas yellowish, 3–4 mm, tubes 1.5–2 mm, throats campanulate, 1.5 mm, lengths 3 times lobes. Cypselae 4–4.5 mm, ± hirtellous to villous; pappi of 14–18 scales 0.4–0.6 mm. 2n = 34.
Phenology: Flowering May–Jul.
Habitat: Sandy soils, pine woodlands
Elevation: 2100–2700+ m
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Hymenopappus radiatus"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
2-pinnate +
decurrent +
toothed +
1-2+ times pinnately lobed ultimate margins usually entire +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
zygomorphic +
monomorphic +
12-16-ribbed +
dimorphic +
obpyramidal +
4mm;4.5mm +
staminate +
Ariz. +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
aggregated +
indeterminate +
6;8 +
surrounding +
obconic;hemispheric +
petiolate +
alternate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
scarious-margined +
persistent +
distinct +
falling +
subequal +
Contr. U.S. Natl. Herb. +
1891 +
pistillate +
absent +
fertile +
epaleate +
convex;flat +
fibrous +
exalbuminous +
modifed +
2;3 +
Endemic +
alternate +
erect +
scapiform +
2-branched +
papillate +
Hymenopappus radiatus +
Hymenopappus +
species +
3 times lobes +
campanulate +
1.5 cm15 mm <br />0.015 m <br /> (?) +
equaling +
longer +
perennial +