Mentzelia saxicola H.J.Thomps. & Zavort.

El paso blazingstar (en)

Species

Angiosperms > Cornales > Loasaceae > Mentzelia

Characteristics

Plants usually biennial, rarely perennial, bushlike or candelabra-form, perennials with ground-level caudices. Stems solitary or multiple, erect, straight; branches distal or along entire stem, distal longest or all ± equal, antrorse, upcurved; hairy. Leaves: blade 21–44.4 × 5.9–11.2 mm, widest intersinus distance 1.6–3.4 mm; proximal oblanceolate to elliptic, margins pinnate, lobes 6–14, slightly antrorse, 2.4–3.9 mm; distal oblanceolate, elliptic, or lanceolate, base not clasping, margins pinnate, lobes 4–12, slightly antrorse, 1.8–3.9 mm; abaxial surface with simple grappling-hook and complex grappling-hook trichomes, adaxial surface with simple grappling-hook and needlelike trichomes. Bracts: margins entire. Flowers: petals light to golden yellow, 11.7–16.6 × 3.8–4.8 mm, apex rounded, glabrous abaxially; stamens light to golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 10.4–14.6 × 2–3.8 mm, usually without, rarely with, anthers, second whorl with anthers; anthers twisted or straight after dehiscence, epidermis papillate or not; styles 6.8–9 mm. Capsules cup-shaped, 7–11.9 × 5.7–7.3 mm, length to 2 times diam., base rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls straight, papillae 38–45 per cell. 2n = 20.
Life form
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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) 6-11

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

Identifiers

LSID urn:lsid:ipni.org:names:157518-2
WFO ID wfo-0001073572
COL ID 3ZSLX
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Mentzelia saxicola