Mentzelia holmgreniorum J.J.Schenk & L.Hufford

Species

Angiosperms > Cornales > Loasaceae > Mentzelia

Characteristics

Plants biennial, candelabra-form. Stems solitary, erect, straight; branches distal or along entire stem, distal or proximal longest, antrorse, upcurved; hairy. Leaves: blade 42–89 × 11–31.9 mm, widest intersinus distance 2.3–3.6 mm; proximal oblanceolate to elliptic, margins pinnatisect, lobes 14–20, strongly antrorse, 4.9–14.4 mm; distal lanceolate, base not clasping, margins pinnatisect, lobes 12–18, strongly antrorse, 4.2–12.4 mm; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with simple grappling-hook and needlelike trichomes. Bracts: margins pinnate. Flowers: petals golden yellow, 13.5–18.8 × 5.2–6.6 mm, apex rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 11.1–16 × 2.7–5 mm, without anthers, second whorl with anthers; anthers straight after dehiscence, epidermis smooth; styles 8.4–10.6 mm. Capsules cylindric, 13.1–14.6 × 5.8–6.9 mm, base tapering, not longitudinally ridged. Seeds: coat anticlinal cell walls sinuous, papillae 26–51 per cell. 2n = 20.
Life form biennial
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Foliage retention evergreen
Sexuality hermaphrodite
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Environment

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Usage

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Edible -
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Cultivation

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

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

Identifiers

LSID urn:lsid:ipni.org:names:77111903-1
WFO ID wfo-0000749820
COL ID 3ZSJR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Mentzelia holmgreniorum