Difference between revisions of "Mentzelia tridentata"
Phytologia 21: 287. 1971.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Acrolasia tridentata | |name=Acrolasia tridentata | ||
|authority=Davidson | |authority=Davidson | ||
| + | |publication_title=Bull. S. Calif. Acad. Sci. | ||
| + | |publication_place=9: 71. 1910 | ||
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|publication year=1971 | |publication year=1971 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V12/V12_576.xml |
|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bicuspidaria | |section=Mentzelia sect. Bicuspidaria | ||
Revision as of 18:19, 24 September 2019
Plants 5–25 cm. Basal leaves: petioles present; blade lanceolate, to 9 cm; margins shallowly lobed, lobes rounded. Cauline leaves: petioles present, rarely absent, present in distalmost leaves; blade broadly ovate to lanceolate, to 9 cm, base not cordate-clasping, margins dentate to serrate. Bracts green, inconspicuous, not concealing pedicel, ovary, or capsule. Flowers: petals white to pale yellow, obovate, 10–40 mm, apex mucronate; stamens 6–15 mm, less than 1/2 petal length, all fertile, none petaloid (flowers appearing to have 5 petals); filaments ± monomorphic, linear, most or all distally 2-lobed, lobes 0.1–0.7 mm; anther stalk longer than or equal to filament lobes; style 9–13 mm. Capsules cylindric to ovoid, 9–18 × 5–8 mm, basal nodding, distal erect. Seeds widest at middle, not grooved; seed coat anticlinal cell walls straight or wavy. 2n = 20.
Phenology: Flowering Apr–May.
Habitat: Sandy or gravelly slopes, washes, desert scrub.
Elevation: 600–1300 m.
Discussion
Mentzelia tridentata is known from the central and western Mojave Desert in Inyo, Kern, and San Bernardino counties. See 55. M. tricuspis for comparison with M. tridentata.
Selected References
None.