Croptilon hookerianum var. validum (Rydb.) E.B.Sm.

Hooker's scratchdaisy (en)

Variety

Angiosperms > Asterales > Asteraceae > Croptilon > Croptilon hookerianum

Characteristics

Stems and peduncles densely long-stipitate-glandular (longest hairs 0.4–0.5 mm, including glands), often slightly hispid proximal to heads. Ray laminae 1–2.5 mm wide. 2n = 10 (11, 12).
Life form annual
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.8
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 -
Soil humidity -
Soil texture -
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°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Croptilon hookerianum var. validum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:919817-1
WFO ID wfo-0000084446
COL ID 7LMJ3
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Haplopappus validus Isopappus validus Croptilon hookerianum var. validum Haplopappus validus subsp. validus