Difference between revisions of "Graptopetalum rusbyi"
Addisonia 9: 31. 1924,.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Cotyledon rusbyi | |name=Cotyledon rusbyi | ||
|authority=Greene | |authority=Greene | ||
| + | |publication_title=Bull. Torrey Bot. Club | ||
| + | |publication_place=10: 125. 1883 | ||
}} | }} | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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| − | |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/V8/V8_475.xml |
|genus=Graptopetalum | |genus=Graptopetalum | ||
|species=Graptopetalum rusbyi | |species=Graptopetalum rusbyi | ||
Revision as of 20:29, 24 September 2019
Stems with ascending, slender branches, 3–10 mm thick. Leaves: rosettes densely ces-pitose, 10–50-leaved, 2–6(–10) cm diam.; blade green or reddish, rhombic-obovate to oblanceolate, 1.5–5 × 0.8–1.8 cm, rough (especially on margins and keel with peglike or subclavate papillae 0.05–0.1 mm and often narrower), apex with slender apiculum 1–3 mm, surfaces not glaucous. Inflorescences mostly flat cymes; floral stems 0.4–1.8 dm; proximal leaves 2–18 mm; branches mostly 2–5, circinate or not, 1–12-flowered. Pedicels mostly 3–8 mm. Flowers (5–)6–7(–8)-merous; corolla 14–21 mm diam., tube [0.7–]2–3.5 mm, lobes 7–10.5 × 1.2–2.5 mm; pistils not hollowed near base, gradually narrowed to styles 1–1.5 mm. 2n = 62, 63, 64, 66, ca. 93, 124.
Phenology: Flowering late spring.
Habitat: Rock crevices especially on north slopes and on shaded cliffs (at least at lower elevations)
Elevation: [0-]600-1700 m
Distribution
Ariz., Mexico (Chihuahua, Sinaloa, Sonora).
Discussion
Southward in Mexico, the corolla tube in Graptopetalum rusbyi tends to be shorter. The Mexican plants have been confused with G. occidentale Rose of Sinaloa (R. V. Moran 1984).