Mentzelia tricuspis A.Gray

Spinyhair blazingstar (en)

Species

Angiosperms > Cornales > Loasaceae > Mentzelia

Characteristics

Plants 5–30 cm. Basal leaves: petioles present; blade lanceolate, to 12 cm; margins shallowly lobed, lobes rounded. Cauline leaves: petioles usually present, rarely absent; blade broadly ovate to lanceolate, to 12 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, 10–30(–50) mm, apex mucronate; stamens 7–17 mm, less than 1/2 petal length, all fertile, none petaloid (flowers appearing to have 5 petals); filaments ± monomorphic, linear, distally 2-lobed, lobes 0.6–2.5 mm; anther stalk usually shorter than filament lobes; style 10–15 mm. Capsules cylindric to ovoid, 9–18(–23) × 5–8 mm, proximal nodding, distal erect. Seeds constricted and grooved at middle; seed coat anticlinal cell walls straight to slightly wavy, conspicuous. 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 - 0.3
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) 5-10

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 -

Images

Mentzelia tricuspis unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:322065-2
WFO ID wfo-0001073709
COL ID 3ZSMM
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Mentzelia peirsonii Bicuspidaria tricuspis Mentzelia tricuspis Nuttallia tricuspis Mentzelia tricuspis var. tricuspis