Heterotheca villosa var. nana (A.Gray) Semple

Hairy false goldenaster (en)

Variety

Angiosperms > Asterales > Asteraceae > Heterotheca > Heterotheca villosa

Characteristics

Stems ascending to erect (1–60+), 9–40(–63) cm, moderately to densely hispido-strigose, abundantly long-hirsute, sparsely to densely stipitate-glandular. Distal cauline leaf blades (often perpendicluar to stems), linear to broadly oblong, (6–)10–24(–32) mm, ± reduced distally, bases rounded, margins flat, apices usually acute, often obtuse, faces moderately hispido-strigose (hairs 9–56/mm2 ), moderately to densely stipitate-glandular (glands 2–36/mm 2 ). Heads 2–20(–33) in usually congested, corymbiform arrays. Peduncles (4–)10–35(–48) mm, moderately to densely hispido-strigose, moderately to densely glandular; bracts 1–4, linear-oblong, reduced distally, not leaflike. Involucres cylindric to campanulate (fresh), (5.4–)6.4–8.4(–9) mm. Phyllaries narrowly triangular-lanceolate, margins sometimes reddish purple distally, faces sparsely to moderately strigose, sparsely to densely glandular. Ray florets 11–19(–22); laminae (3.5–)6.9–11(–12) mm. 2n = 18.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.09 - 0.4
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) 4-10

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. nana world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:976527-1
WFO ID wfo-0000069948
COL ID 7S9YR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Chrysopsis horrida Heterotheca horrida Heterotheca villosa var. nana Heterotheca horrida subsp. horrida Heterotheca villosa var. horrida Chrysopsis canescens var. nana