Heterotheca villosa var. depressa (Rydb.) Semple

Hairy false goldenaster (en)

Variety

Angiosperms > Asterales > Asteraceae > Heterotheca > Heterotheca villosa

Characteristics

Stems ascending to erect, 5–22 cm, moderately to densely hispido-strigose, sparsely long-hirsute, eglandular or sparsely stipitate-glandular. Distal cauline leaf blades linear-oblanceolate, 5–19(–23) × 2.3–4.2(–4.7) mm, sometimes little reduced, bases cuneate to attenuate, margins flat, apices acute, faces densely strigose (hairs 84–140/mm 2 ), sparsely to to moderately stipitate-glandular (glands 0–28/mm 2 ). Heads 1–8(–10) in congested to open corymbiform arrays. Peduncles (7–)12–28(–37) mm, moderately to densely hispido-strigose, eglandular or sparsely stipitate-glandular; bracts subtending heads small or none. Involucres cylindric to narrowly campanulate (fresh), 5.5–6.8(–7.5) mm. Phyllaries lanceolate to narrowly triangular-lanceolate, margins often reddish purple distally, faces moderately to densely strigose, eglandular or sparsely stipitate-glandular. Ray florets 5–13(–15); laminae 5–9.5(–11) mm. 2n = 36.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.22
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 1-5
Soil texture 3-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Heterotheca villosa var. depressa world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:976524-1
WFO ID wfo-0000109977
COL ID 7VD4V
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Heterotheca depressa Chrysopsis depressa Heterotheca villosa var. depressa