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CRASSULACEAE STONECROP FAMILY

Steve Boyd, except as noted

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

SEDELLA
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.
3 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]

Key to Sedella

S. pumila (Benth.) Britton & Rose
NATIVE
Plant (1)2–17 cm, branches generally several (0), erect or spreading, at same level as main axis. Leaf: (2)4–7 mm, 1–3 mm wide. Flower: calyx base tapered to pedicel, sepals 0.5–0.8 mm, 0.3–0.4 mm wide; petals spreading in flower, erect in fruit, (2)2.5–5 mm, 0.3–1.2 mm wide, elliptic to lanceolate, acute, pale to bright yellow; stamens 10, anthers 0.2–0.4 mm, yellow or red-brown; pistils 1–2 mm, stipitate-glandular near suture and on angles, often with fringed row of papillae on suture, styles erect, or, when short, often recurved, 0.3–1.2 mm. Fruit: 1.2–2.5 mm, erect to ascending (spreading), glabrous to glandular adaxially. Seed: 0.8–1.5 mm.
n=9. Open, often wet sites, rock outcrops, clay soils, vernal pools; 30–1500 m. se Outer North Coast Ranges, Inner North Coast Ranges, Cascade Range Foothills, Sierra Nevada Foothills, c High Sierra Nevada, Great Central Valley, Inner South Coast Ranges. [Parvisedum pumilum (Benth.) R.T. Clausen; Parvisedum congdonii (Eastw.) R.T. Clausen; Sedella congdonii (Eastw.) Britton & Rose] Mar–May [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Oct 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Sedella, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=43953, accessed on Oct 24 2014

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click for enlargement Sedella pumila
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© 2007 Carol W. Witham

Geographic subdivisions indicated for the distribution of Sedella pumila Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.