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Annual to shrub [(± tree-like or climbing)], fleshy. Leaf: generally simple, alternate or opposite, in dense to open, basal (or terminal) rosettes or basal and cauline, not in rosettes, reduced distally or not, margin often ± red. Inflorescence: generally cyme, generally bracted. Flower: generally bisexual; sepals generally 3–5, generally ± free; petals generally 3–5, ± free or fused; stamens >> to = sepals, epipetalous or not; pistils generally 3–5, simple, fused at base or not, ovary 1-chambered, placenta 1, parietal, ovules 1–many, style 1. Fruit: follicles, generally 3–5. Seed: 1–many, small.
± 33 genera, ± 1400 species: ± worldwide, especially dry temperate; many cultivated for ornamental. [Eggli (ed.) 2003 Illus Handbook Succulent Plants 6 (Crassulaceae). Springer] Water-stressed plants often ± brown or ± red. Consistent terminology regarding leaves, bracts difficult; in taxa with rosettes (e.g., Aeonium, Dudleya, some Sedum), structures in rosettes are leaves, those on peduncles are bracts, and those subtending flowers are flower bracts; in taxa where inflorescence is terminal, rosette leaves may "become" bracts as stem rapidly elongates to form inflorescence. Seed numbers given per follicle. —Scientific Editor: Thomas J. Rosatti.
Key to Crassulaceae
Perennial herb (annual, biennial, subshrub), generally from rhizomes or stout, scaly caudex, generally glabrous; rosettes 0 or open to dense. Leaf: sessile, generally alternate, generally obovate to spoon-shaped. Inflorescence: terminal, generally raceme- to panicle-like. Flower: sepals, petals generally 5, free to fused at base, sepals < petals, obtuse to long-tapered; petals erect to spreading; stamens 8 or 10, in 2 whorls, epipetalous or not; pistils 4–5, free or fused below. Fruit: free or fused at base, erect or spreading. Seed: many, elliptic, often winged at both ends.Key to Sedum
± 450 species: temps, tropical mountains, North America, Mexico, Central America, Europe, Asia, northern and eastern Africa, Atlantic islands, Indian Ocean islands; cultivated as ornamental, green roofs. (Latin: to assuage, from healing properties of houseleek, to which Sedum was sometimes applied) Sedum roseum moved to Rhodiola.
Unabridged references: [Denton 1982 Brittonia 34:48–77]
Plant 5–22 cm, glabrous, often glaucous; rosettes dense, 1–6 cm diam, internodes not visible, generally 1–2 mm. Leaf: 11–22 mm, widest 2–5 mm below tip, 1–2 mm thick, tip rounded to obtuse; outer rosette leaves >> inner. Inflorescence: 3–8 cm, 5–48-flowered; bracts 6–11 mm, elliptic, base truncate. Flower: petals (5)7–8(10) mm, ± erect to spreading, lanceolate, acute, yellow; anthers yellow or red-brown. Fruit: fused at base, 4–8 mm, erect until mature, then spreading. Seed: ± 1 mm.
n=15. Outcrops, often in shade; 50–2500 m. Northwestern California, Cascade Range, Sierra Nevada, Central Western California, Transverse Ranges, Peninsular Ranges; to British Columbia. [Sedum spathulifolium var. pruinosum (Britton) B. Boivin] Variable, intergrading complex. Apr–Aug [Online Interchange]
Previous taxon: Sedum radiatum
Next taxon: Sedum stenopetalum
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 7 2014
Citation for this treatment: [Author of taxon treatment] 2012. Sedum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=44016, accessed on Mar 7 2014
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