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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
Annual, erect, 2–10(17) cm, glabrous, branches 0 or near base. Leaf: early-deciduous, sessile, 0.4–0.7 cm, oblong-elliptic to ovoid (obovoid), basal opposite, free, not fused around stem, cauline alternate, entire, tip rounded to obtuse. Inflorescence: terminal, flowers 1–2+ in 0–3-branched cyme, subsessile. Flower: sepals 5; petals 5, ± fused at base, linear to narrow-ovate, pale to bright or green-yellow, midrib often ± red; stamens 5 or 10, anthers 0.2–0.4 mm, yellow or red-brown; pistils 5, oblong, bases rounded, styles 0.2–1.2 mm, erect or recurved, stigmas ± 0.1 mm diam. Fruit: ± indehiscent, utricle-like, erect to outcurved, glabrous or glandular. Seed: 1, 0.7–2 mm, club-like, brown.Key to Sedella
4 species: California. (Latin: diminutive of Sedum) [Moran 1997 Haseltonia 5:53–60] Parvisedum is a superfluous name for Sedella.
Unabridged references: [Eggli 1992 Bradleya 10:83]
Plant 2–13 cm, simple, erect, or branches 1–4, ascending, exceeded by main axis. Leaf: 4–7 mm, 2–3 mm wide. Flower: calyx base abruptly narrowed to pedicel, sepals 0.5–0.8 mm, 0.3–0.5 mm wide; petals ascending in flower, erect with tips ± touching in fruit, 1.3–2 mm, 0.5–0.8 mm wide, lance-ovate, pale green-yellow, with red streaks abaxially or not; stamens 5, anthers ± 0.2 mm, yellow; pistils 1 mm, stipitate-glandular, styles erect, 0.2–0.4 mm. Fruit: 1–1.5 mm, erect, densely stipitate-glandular. Seed: 0.7–0.9 mm.
n=9. Compacted ground, slate, shale, sandstone or serpentine outcrops; 300–700 m. Inner North Coast Ranges, e Sacramento Valley, ne San Joaquin Valley, s Outer South Coast Ranges, Inner South Coast Ranges. [Parvisedum pentandrum (H. Sharsm.) R.T. Clausen] Mar–Jun [Online Interchange]
Previous taxon: Sedella leiocarpa
Next taxon: Sedella pumila
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 12 2014
Citation for this treatment: [Author of taxon treatment] 2012. Sedella, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=43952, accessed on Mar 12 2014
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© 2011 Neal Kramer
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