Difference between revisions of "Chylismia megalantha"
Syst. Bot. Monogr. 83: 207. 2007.
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|basionyms={{Treatment/ID/Basionym | |basionyms={{Treatment/ID/Basionym | ||
| − | |name=Oenothera | + | |name=Oenothera heterochroma var. megalantha |
|authority=Munz | |authority=Munz | ||
|rank=variety | |rank=variety | ||
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|parent rank=section | |parent rank=section | ||
|synonyms=Camissonia megalantha;O. megalantha | |synonyms=Camissonia megalantha;O. megalantha | ||
| − | |basionyms=Oenothera | + | |basionyms=Oenothera heterochroma var. megalantha |
|family=Onagraceae | |family=Onagraceae | ||
|phenology=Flowering Jun–Oct. | |phenology=Flowering Jun–Oct. | ||
Latest revision as of 19:08, 9 December 2022
Herbs annual, glandular pubescent throughout. Stems several, 10–200 cm. Leaves in poorly defined basal rosette and cauline; petiole 1.8–5.5 cm; blade unlobed, broadly cordate to ovate, 2.4–8 × 7 cm, margins sinuate-dentate, yellowish oil cells prominently lining veins abaxially. Racemes erect, elongating in flower. Flowers opening at sunrise; buds without free tips; floral tube 4–9 mm, with matted, villous hairs inside; sepals 4.5–9 mm; petals pale to dark lavender, diffusely purplish-flecked near base, white at very base, fading darker lavender, 9–14 mm; stamens unequal, filaments of antisepalous stamens 6–12 mm, of antipetalous ones 3.5–8 mm, anthers 2 mm, glabrous; style 14–22.5 mm, stigma exserted beyond anthers at anthesis. Capsules erect or ascending, clavate, 8–14 mm; pedicel 2–3.5 mm. Seeds 1–1.3 mm. 2n = 14.
Phenology: Flowering Jun–Oct.
Habitat: Rubble derived from volcanic tuff, partly on moist soil along springs.
Elevation: 1200–1400 m.
Discussion
Chylismia megalantha is known from around Frenchman Drainage to French Peak and Skull Mountain in southern Nye County. P. H. Raven (1962, 1969) determined this species to be self-compatible, but outcrossing.
Selected References
None.