Holocarpha heermannii (Greene) D.D.Keck

Heermann's tarweed (en)

Species

Angiosperms > Asterales > Asteraceae > Holocarpha

Characteristics

Plants 10–120 cm; stems notably stipitate-glandular. Heads borne singly (at ends of branches) or in paniculiform or racemiform arrays. Involucres campanulate to ± globose. Phyllaries each bearing 25–50 gland-tipped processes and minutely sessile-or stipitate-glandular and puberulent or hispidulous. Ray florets 3–13. Disc florets 9–22; 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 - 1.2
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Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
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Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
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Germination treatment -
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Images

Flower

Holocarpha heermannii flower picture by L. Ruiz (cc-by-sa)

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:123541-2
WFO ID wfo-0000007616
COL ID 3M8F9
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Holocarpha heermannii Hemizonia parvifolia Hemizonia heermannii