Mentzelia gracilenta Torr. & A.Gray

Grass blazingstar (en)

Species

Angiosperms > Cornales > Loasaceae > Mentzelia

Characteristics

Plants wandlike or candelabra-form, (3–)20–60(–70) cm. Basal leaves persisting; petiole present or absent; blade linear-lanceolate to linear, margins deeply to shallowly lobed. Cauline leaves: petiole absent; blade ovate-lanceolate to linear, to 13 cm, margins deeply to shallowly lobed or entire. Bracts usually green with white base, occasionally green, obovate to ovate, 7.1–11.3 × 3–6.2 mm, width 2/5–3/5 length, not concealing capsule, margins 3–12-lobed. Flowers: sepals 3–8 mm; petals usually orange, rarely yellow, proximally, yellow distally, (7–)8–18 mm, apex retuse; stamens 20+, 5–11 mm, filaments monomorphic, filiform, unlobed; styles 5–11 mm. Capsules cylindric or clavate, 9–15(–23) × 3–5 mm, axillary curved to 20° at maturity, usually inconspicuously longitudinally ribbed. Seeds 15–25, in 2+ rows distal to mid fruit, tan, dark-mottled or not, usually irregularly polygonal, occasionally triangular prisms proximal to mid fruit, surface tuberculate under 10× magnification; recurved flap over hilum absent; seed coat cell outer periclinal wall domed, domes on seed edges 1/2 as tall as wide at maturity. 2n = 36.
Life form -
Growth form herb
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Foliage retention evergreen
Sexuality hermaphrodite
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Mature height (meter) 0.2 - 0.6
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Environment

It is a temperate plant.
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Usage

Uses medicinal
Edible seeds
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Cultivation

Mode -
Germination duration (days) 5 - 21
Germination temperacture (C°) 12 - 15
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Images

Mentzelia gracilenta unspecified picture

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:545408-1
WFO ID wfo-0001073674
COL ID 3ZSJC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Acrolasia gracilenta Mentzelia gracilenta Mentzelia albicaulis var. gracilenta