Hymenoxys richardsonii var. richardsonii
Endemic
Treatment appears in FNA Volume 21. Treatment on page 441.
Plants 7–24 cm. Stems 1–10, ± hairy. Leaves ± hairy. Heads 5–35+ per plant. Involucres 8–11 × 9–14 mm. Phyllaries: outer 9–13, weakly to moderately keeled, lanceolate, 5–8 mm, apices acuminate to acute; inner 9–18, 4–8 mm. Ray-florets 8–14; corollas 11–17 mm. Disc-florets 30–75+; corollas 3–5 mm. Cypselae 2–3 mm; pappi of 5–6 (–8) usually lanceolate, aristate scales 2–3.5 mm. 2n = 30.
Phenology: Flowering (May–)Jun–Jul(–Sep).
Habitat: Roadsides, open areas, edges of forests
Elevation: (1000–)1500–2500(–3400) m
Distribution
Alta., Sask., Colo., Mont., N.Dak., Utah, Wyo.
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Hymenoxys richardsonii var. richardsonii"
introrse +
connate +
herbaceous +
inner +
acuminate;acute +
scarious +
absent +
hirsute +
papillate +
corymbiform +
continuous +
decurrent +
simple +
lobed +
winged;ribbed;winged;ribbed +
1;15 +
stigmatic +
35;150 +
absent +
zygomorphic +
yellow +
monomorphic +
dimorphic +
obpyramidal +
2mm;3mm +
staminate +
staminate +
straight +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
corymbiform +
singly +
indeterminate +
5;35 +
surrounding +
campanulate +
alternate +
hairy +
deltate +
connate +
2-carpellate +
inferior +
attached +
anatropous +
persistent +
falling +
absent +
hairy +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
Bull. Torrey Bot. Club +
1904 +
pistillate +
absent +
fertile +
epaleate +
conic;ovoid;conic;ovoid;hemispheric +
fibrous +
absent +
exalbuminous +
modifed +
subequal;unequal +
Endemic +
alternate +
branched +
erect +
hairy +
2-branched +
papillate +
Hymenoxys richardsonii var. richardsonii +
Hymenoxys richardsonii +
variety +
shorter +
dilated +
equaling +
perennial +
obovate +