Difference between revisions of "Mirabilis rotundifolia"
Publ. Field Mus. Nat. Hist., Bot. Ser. 8: 305. 1931.
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|name=Allionia rotundifolia | |name=Allionia rotundifolia | ||
|authority=Greene | |authority=Greene | ||
| + | |publication_title=Pl. Baker. | ||
| + | |publication_place=3: 33. 1901 | ||
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|genus=Mirabilis | |genus=Mirabilis | ||
|section=Mirabilis sect. Oxybaphus | |section=Mirabilis sect. Oxybaphus | ||
Revision as of 20:59, 24 September 2019
Stems erect or ascending, 2–3 dm, leafy mostly in proximal 1/2, openly forked distally, spreading-soft hirsute throughout. Leaves usually widely ascending at 60–80°, abruptly reduced below inflorescence; petiole 0–0.9 cm; blade green adaxially, glaucescent abaxially, broadly ovate, ovate-triangular, or round, 4–7 × 3–6 cm, thick, moderately coriaceous, base cordate to round or cuneate, apex obtuse to round, surfaces glabrous or soft hirsute adaxially, soft hirsute abaxially. Inflorescences primarily terminal, few branched, open; peduncle 3–6 mm, spreading-pubescent, sometimes somewhat glandular, crosswalls of hairs pale; involucres grayish green, widely bell-shaped, 4–6 mm in flower, 7–8 mm in fruit, spreading-pubescent, 40–50% connate, lobes ovate. Flowers 3 per involucre; perianth purplish pink, 0.9–1.1 cm. Fruits pale olive brown, narrowly obovoid, 4–5 mm, ± evenly puberulent with hairs 0.1 mm; ribs round, 0.3–0.5 times width of sulci, 0.5 times as wide as high, slightly rugose (more so on side); sulci slightly darker than ribs, slightly rugose.
Phenology: Flowering late spring-mid summer.
Habitat: Open, calcareous, shaley outcrops
Elevation: 1600-1700 m
Discussion
Of conservation concern.
Mirabilis rotundifolia is clearly closely related to Mirabilis albida and may be only a variant.
Mirabilis rotundifolia is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.