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Hemizonella minima A.Gray

Opposite-leaved tarweed (en)

Species

Angiosperms > Asterales > Asteraceae > Hemizonella

Characteristics

Leaf blades 5–25 × (0.5–)1–3 mm. Involucres (1–)2–4 × (1–)2–4 mm. Disc corollas 1–2.5 mm. Ray cypselae 1.8–2.8 mm; disc cypselae 1.8–2.8 mm. 2n = 42–44.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.01 - 0.2
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 -

Images

Hemizonella minima unspecified picture

Distribution

Hemizonella minima world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:213747-1
WFO ID wfo-0000086544
COL ID 3KTTT
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hemizonella minima Melampodium minimum Madia minima Hemizonella parvula Hemizonia durandii Harpaecarpus minimus Hemizonia minima Melampodium durandi Hemizonia parvula Hemizonella durandii Harpaecarpus parvulus Hemizonia parvula var. parvula Hemizonella minima var. minima
WorldFloraDB 2024