Baccharis havardii A.Gray

Havard's false willow (en)

Species

Angiosperms > Asterales > Asteraceae > Baccharis

Characteristics

Subshrubs, 15–70 cm (much branched from bases). Stems erect (green to tan), slender, striate-angled, glabrous, resinous. Leaves present at flowering; short-petiolate ; blades (1-nerved) narrowly spatulate to linear, 20–40 × 2–3 mm, reduced to bracts distally, bases attenuate, margins entire or toothed (teeth to 2 mm), faces glabrous, gland-dotted, resinous. Heads in broad paniculiform arrays. Involucres cylindro-campanulate; staminate 3 mm, pistillate 4–4.5 mm. Phyllaries lanceolate, 1–4 mm, margins scarious, medians green or brownish, apices obtuse to acuminate (thickened, slightly erose and ciliate). Staminate florets 12–15; corollas 3–4 mm. Pistillate florets 15–20; corollas 3 mm. Cypselae 2–2.5 mm, 5-nerved, glabrous; pappi 4 mm.
Life form perennial
Growth form
Growth support -
Foliage retention deciduous
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.7
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 7-9
Soil humidity 3-7
Soil texture 1-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

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

Baccharis havardii unspecified picture

Distribution

Baccharis havardii world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:183344-1
WFO ID wfo-0000010728
COL ID K79J
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Baccharis havardii