Lasthenia fremontii Greene

Fremont's goldfields (en)

Species

Angiosperms > Asterales > Asteraceae > Lasthenia

Characteristics

Annuals, to 35 cm. Stems erect, branched proximally, glabrous proximally, ± hairy distally. Leaves linear, 10–60 × 1–2+ mm (simple blades or single lobes), margins entire or with 1–3 pairs of linear lobes, faces glabrous or sparsely hairy. Involucres hemispheric or obconic, 4–6 mm. Phyllaries 8–16 (distinct), ovate, hairy. Receptacles dome-shaped, muricate, hairy. Ray florets 6–13; laminae oblong to oval, 5–7 mm. Anther appendages linear to narrowly ovate. Cypselae black or gray, clavate, to 1.5 mm, usually scabrous, rarely glabrous; pappi usually of (3–)4(–5) subulate, aristate scales plus 3–5+ shorter, ± subulate scales or teeth, rarely of aristate scales only, or 0. 2n = 12.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.25 - 0.35
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) 17 - 21
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Lasthenia fremontii unspecified picture

Distribution

Lasthenia fremontii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:135901-2
WFO ID wfo-0000087352
COL ID 3SH64
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Dichaeta fremontii Baeria fremontii Burrielia fremontii Baeria fremontii var. heterochaeta Baeria fremontii var. fremontii Lasthenia fremontii