Mentzelia affinis Greene

Yellowcomet (en)

Species

Angiosperms > Cornales > Loasaceae > Mentzelia

Characteristics

Plants candelabra-form, 5–40(–50) cm. Basal leaves persisting; petiole present or absent; blade linear-lanceolate to linear, margins usually deeply to moderately lobed, sinuses extending 1/4+ to midvein, rarely entire. Cauline leaves: petiole absent; blade ovate-lanceolate to lanceolate, to 17 cm, margins usually dentate or entire, rarely deeply lobed. Bracts green, ovate to lanceolate, 2.7–6.6 × 0.9–2.1 mm, width 1/5–1/3 length, not concealing capsule, margins 3-lobed or entire. Flowers: sepals 1–7 mm; petals yellow to orange proximally, yellow distally, 4–12 mm, apex acute; stamens 20+, 3–6.5 mm, filaments monomorphic, filiform, unlobed; styles 3–6.5 mm. Capsules narrowly cylindric, 7–32 × 1–3 mm, axillary curved to 90° at maturity, often prominently longitudinally ribbed. Seeds 10–20, in 1 row distal to mid fruit, tan, dark-mottled or not, triangular prisms, surface ±smooth under 10× magnification; recurved flap over hilum absent; seed coat cell outer periclinal wall flat. 2n = 18.
Life form annual
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.4
Root system tap-root
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) 6-12

Usage

Uses medicinal
Edible seeds
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 affinis world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:157380-2
WFO ID wfo-0001073663
COL ID 3ZSGP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Mentzelia affinis Acrolasia affinis