Difference between revisions of "Mentzelia laevicaulis var. laevicaulis"
Common names: Giant blazingstar
IllustratedEndemic
Synonyms: Mentzelia acuminata (Rydberg) Tidestrom
Treatment appears in FNA Volume 12. Treatment on page 514.
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|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bartonia | |section=Mentzelia sect. Bartonia | ||
Latest revision as of 19:18, 5 November 2020
Leaf blades 39.8–154 × 8.4–40.4 mm, widest intersinus distance 4.9–24.6 mm; proximal oblanceolate to elliptic, margin lobes 18–44, 2.5–8.9 × 3.6–9.6 mm; distal with base clasping or non-clasping, margin lobes 14–42, 2.1–6.1 × 3.2–6.3 mm; adaxial surfaces with needlelike trichomes. Bracts 13–29 × 1–5 mm, margins entire or pinnate. Flowers: petals 43–70 × 8–17.3 mm; 5 outermost stamens 39–55 × 1–2(–2.5) mm. Capsules cylindric, 22–43 × 8–11.1 mm. Seed coat: papillae 4–11 per cell.
Phenology: Flowering May–Oct.
Habitat: Dry streambed bottoms and banks, gravel bars, hillside slopes, roadsides, roadcuts, sand dunes.
Elevation: 0–3000 m.
Distribution
Ariz., Calif., Idaho, Mont., Nev., Oreg., Utah, Wash., Wyo.
Discussion
Selected References
None.
Lower Taxa
None.