Gutierrezia wrightii A.Gray

Wright's snakeweed (en)

Species

Angiosperms > Asterales > Asteraceae > Gutierrezia

Characteristics

Annuals, 30–200 cm. Stems glabrous. Leaves: proximal usually persistent at flowering, cauline blades obscurely (1-), 3-, or 5-nerved, mostly narrowly elliptic-lanceolate, 40–70 × 2–4 mm, reduced distally. Heads usually in open arrays. Involucres campanulate, 4.5–7.5 mm diam. Phyllary apices conduplicate, swollen (appearing abaxially keeled). Ray florets 8–19; corollas yellow, 5–12 mm. Disc florets (30–)40–60. Cypselae 0.7–2 mm, faces (pebbly or warty with raised, blisterlike oil cavities) glabrous; pappi coroniform, 0.1–0.2 mm (margins entire or obscurely denticulate or erose). 2n = 8.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 2.0
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) 6-12

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

Gutierrezia wrightii world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:210881-1
WFO ID wfo-0000056630
COL ID 6L5DK
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Gutierrezia wrightii Xanthocephalum wrightii Greenella discoidea