Show Lower Taxa
Erigeron reductus
Phytologia 72: 200. 1992.
Common names: California rayless fleabane
Endemic
Basionym: Erigeron inornatus var. reductus Cronquist Brittonia 6: 288. 1947
Perennials, 8–20 (–30) cm; taprooted, caudices branches rhizomelike, relatively long and slender. Stems (usually 1) erect or ascending, glabrous, eglandular. Leaves cauline; blades linear, 8–25 (–35) × 0.5–1 (–1.5) mm, barely reduced distally, margins entire, ascending-ciliate, faces glabrous or sparsely strigose, eglandular. Heads (discoid) 1 (–2–4). Involucres 4–6 × 8–10 mm. Phyllaries in 3–5 series (greenish or purplish apically), glabrous, minutely glandular. Ray (pistillate) florets 0. Disc corollas 3.5–4.5 mm (throats slightly indurate, not inflated). Cypselae 2.2–2.8 mm, 2-nerved, faces glabrous; pappi: outer of setae, inner of 20–61 bristles.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Phyllaries apically purplish (variably so in Tamalpais region); pappus bristles (38–)46–61 | Erigeron reductus var. angustatus |
| 1 | Phyllaries apically greenish; pappus bristles 20–30 | Erigeron reductus var. reductus |
... more about "Erigeron reductus"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
continuous +
decurrent +
1-nerved +
linear;lanceolate oblanceolate or spatulate +
reduced +
ribbed +
stigmatic +
barbellate +
persistent +
20;61 +
absent +
rhizomelike +
slender +
California rayless fleabane +
absent +
2-nerved +
dimorphic +
2.2mm;2.8mm +
absent +
staminate +
Calif. +
straight +
eglandular +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
indeterminate +
surrounding +
turbinate;hemispheric +
alternate +
cauline +
erect;spreading +
deltate +
ascending-ciliate +
2-carpellate +
inferior +
attached +
anatropous +
tough +
thick +
pistillate +
absent +
connate +
persistent +
distinct +
falling +
glabrous +
unequal +
equal +
Phytologia +
1992 +
pistillate +
absent +
fertile +
absent +
epaleate +
pitted +
flat;conic +
fibrous +
exalbuminous +
modifed +
3;5 +
stramineous +
persistent +
connate +
falling +
Endemic +
alternate +
eglandular +
glabrous +
deltate +
2-branched +
glabrous +
Erigeron reductus +
Erigeron +
species +
indurate +
shorter +
taprooted +
perennial +