Mentzelia tridentata (Davidson) H.J.Thomps. & J.E.Roberts

Threetooth blazingstar (en)

Species

Angiosperms > Cornales > Loasaceae > Mentzelia

Characteristics

Plants 5–25 cm. Basal leaves: petioles present; blade lanceolate, to 9 cm; margins shallowly lobed, lobes rounded. Cauline leaves: petioles present, rarely absent, present in distalmost leaves; blade broadly ovate to lanceolate, to 9 cm, base not cordate-clasping, margins dentate to serrate. Bracts green, inconspicuous, not concealing pedicel, ovary, or capsule. Flowers: petals white to pale yellow, obovate, 10–40 mm, apex mucronate; stamens 6–15 mm, less than 1/2 petal length, all fertile, none petaloid (flowers appearing to have 5 petals); filaments ± monomorphic, linear, most or all distally 2-lobed, lobes 0.1–0.7 mm; anther stalk longer than or equal to filament lobes; style 9–13 mm. Capsules cylindric to ovoid, 9–18 × 5–8 mm, basal nodding, distal erect. Seeds widest at middle, not grooved; seed coat anticlinal cell walls straight or wavy. 2n = 20.
Life form annual
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.25
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
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) 5 - 21
Germination temperacture (C°) 12 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Mentzelia tridentata world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:157531-2
WFO ID wfo-0001073710
COL ID 3ZSMN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Acrolasia tridentata Mentzelia tridentata Mentzelia tricuspis var. brevicornuta