Erigeron elegantulus
Erythea 3: 65. 1895.
Common names: Volcanic daisy
Endemic
Synonyms: Erigeron linearis var. elegantulus (Greene) J. T. Howell
Perennials, 3–15 cm; taprooted, caudices branched. Stems erect to slightly basally ascending, sparsely white-strigose, eglandular. Leaves mostly basal (usually persistent); blades linear, 15–50 (–60) × 0.5–1 mm, cauline reduced and only on proximal 1/3 of stems (bases abruptly widened, thickened, white-indurate, sheathing stems), margins entire, faces loosely strigose. Heads 1. Involucres 3.5–5 × 6–11 mm. Phyllaries in 3–4 series, sparsely and loosely strigose, eglandular. Ray-florets 15–25; corollas blue to pale lavender or pinkish, 6–9 mm, laminae weakly coiling. Disc corollas 3.4–5 mm. Cypselae 1.8–2 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 20–30 bristles. 2n = 27.
Phenology: Flowering Jun–Jul.
Habitat: Open rocky sites, especially in volcanic substrate, sagebrush-scrub, juniper woodland, montane coniferous
Elevation: 1000–2700 m
Discussion
Selected References
None.
Lower Taxa
None.
... more about "Erigeron elegantulus"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
continuous +
decurrent +
1-nerved +
linear;lanceolate oblanceolate or spatulate +
ribbed +
stigmatic +
barbellate +
persistent +
20;30 +
absent +
branched +
reduced +
Volcanic daisy +
absent +
2-nerved +
dimorphic +
1.8mm;2mm +
absent +
staminate +
straight +
eglandular +
strigose +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
Open rocky sites, especially in volcanic substrate, sagebrush-scrub, juniper woodland, montane coniferous +
indeterminate +
surrounding +
turbinate;hemispheric +
coiling +
alternate +
basal +
erect;spreading +
deltate +
2-carpellate +
inferior +
attached +
anatropous +
tough +
thick +
pistillate +
absent +
connate +
eglandular +
persistent +
distinct +
falling +
strigose +
unequal +
equal +
Erythea +
1895 +
pistillate +
absent +
fertile +
epaleate +
pitted +
flat;conic +
fibrous +
exalbuminous +
modifed +
3;4 +
stramineous +
persistent +
connate +
falling +
Endemic +
alternate +
eglandular +
white-strigose +
deltate +
2-branched +
glabrous +
Erigeron elegantulus +
Erigeron +
species +
indurate +
shorter +
taprooted +
perennial +