Hazardia squarrosa var. obtusa (Greene) Jeps.

Sawtooth bristleweed (en)

Variety

Angiosperms > Asterales > Asteraceae > Hazardia > Hazardia squarrosa

Characteristics

Stems glabrous or scabrous. Leaves glabrous or sparsely puberulent, resinous. Involucres 11–15 mm. Phyllaries erect, margins usually glandular, apices ± obtuse-mucronate, faces glabrous, resinous. Disc florets 18–30; corollas 10–11 mm.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 2.5
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 -
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

Hazardia squarrosa var. obtusa world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:118156-2
WFO ID wfo-0000105584
COL ID 7M4WH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Hazardia obtusa Hazardia squarrosa var. obtusa Haplopappus squarrosus subsp. obtusus