Holocarpha obconica (J.C.Clausen & D.D.Keck) D.D.Keck

San joaquin tarweed (en)

Species

Angiosperms > Asterales > Asteraceae > Holocarpha

Characteristics

Plants 10–80(–120) cm; stems ± resinous distally (not notably stipitate-glandular). Heads in corymbiform or paniculiform arrays. Involucres ± obconic to ± globose. Phyllaries each bearing (0–)5–15(–20) gland-tipped processes and usually glabrous or minutely sessile-or stipitate-glandular (rarely ± hispid). Ray florets 4–9. Disc florets 11–21; anthers yellow to brownish. 2n = 12.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 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) -

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

Holocarpha obconica world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:123543-2
WFO ID wfo-0000007927
COL ID 3M8FB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Holocarpha obconica Hemizonia vernalis Hemizonia obconica Holocarpha obconica subsp. obconica Holocarpha obconica subsp. autumnalis