Hymenopappus mexicanus
Proc. Amer. Acad. Arts 19: 29. 1883.
Revision as of 22:45, 29 July 2020 by imported>Volume Importer
Perennials, 20–90 cm. Leaves: basal simple or 1-pinnate, 6–20 cm, lobes 5–15+ × 1–9 mm; cauline 0 or 3–6. Heads 1–8 (–20+) per stem. Peduncles 1–10 cm. Phyllaries yellowish to whitish or red-tinged, 6–9 × 2–3 mm. Ray-florets 0. Disc-florets 20–40; corollas yellow, 3–4.5 mm, tubes 2–2.5 mm, throats campanulate, 1–1.5 mm, lengths 3–4 times lobes. Cypselae 4–6 mm, glabrous or sparsely hirtellous; pappi of 12–20 scales 0.1–0.4 mm. 2n = 34.
Phenology: Flowering Jun–Oct.
Habitat: Openings in pine, spruce, and aspen woodlands
Elevation: 2100–3000 m
Distribution
Ariz., N.Mex., Mexico
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Hymenopappus mexicanus"
introrse +
connate +
herbaceous +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
decurrent +
toothed +
1-2+ times pinnately lobed ultimate margins usually entire +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
absent +
absent +
zygomorphic +
yellow +
monomorphic +
12-16-ribbed +
dimorphic +
obpyramidal +
4mm;6mm +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
singly +
discoid +
aggregated +
indeterminate +
1;8 +
surrounding +
obconic;hemispheric +
petiolate +
alternate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
tough +
thick +
absent +
connate +
scarious-margined +
persistent +
distinct +
falling +
subequal +
Proc. Amer. Acad. Arts +
1883 +
pistillate +
absent +
fertile +
epaleate +
convex;flat +
fibrous +
exalbuminous +
modifed +
2;3 +
alternate +
erect +
scapiform +
2-branched +
papillate +
Hymenopappus mexicanus +
Hymenopappus +
species +
3-4 times lobes +
campanulate +
equaling +
longer +
perennial +