Heterotheca villosa var. ballardii (Rydb.) Semple

Hairy false goldenaster (en)

Variety

Angiosperms > Asterales > Asteraceae > Heterotheca > Heterotheca villosa

Characteristics

Stems ascending to erect, 22–50 cm, moderately to densely strigose, eglandular, often abundantly long-hirsute. Distal cauline leaf blades oblong, (18–)22–34(–42) × 4.3–9.3(–12.5) mm, little reduced distally, bases rounded, margins flat, faces moderately strigose (hairs usually not obscuring faces, 20–56(–70)/mm 2 ), eglandular. Heads (2–)4–16(–24), in corymbiform arrays. Peduncles (5–)12–47(–67) mm, moderately to densely hispido-strigose, eglandular; bracts subtending heads leafy, oblanceolate, often exceeding involucres. Involucres broadly campanulate, (5.5–)6.5–9.3 mm. Phyllaries narrowly triangular-lanceolate, moderately to densely strigose, eglandular to sparsely glandular, margins often reddish purple distally. Ray florets (12–)17–30 (avereaging 21), laminae (8.5–)9.9–14.5 mm (averaging 11.5 mm; showy). 2n = 36.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.22 - 0.5
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. ballardii world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:976523-1
WFO ID wfo-0000104593
COL ID 7NFL8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Chrysopsis ballardii Heterotheca villosa var. ballardii