Sedum oregonense |
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cream stonecrop, creamy stonecrop |
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Habit | Herbs, perennial, cespitose or not, glabrous. |
Stems | rhizomes, horizontal, much-branched, bearing rosettes. |
Flowering shoots | erect, simple, (6–)10–28 cm; leaf blades suborbiculate or obovate, base not spurred; offsets not formed. |
Leaves | alternate, ascending to spreading, sessile to subsessile; blade green, glaucous, not strongly pruinose, obovate or oblanceolate, subterete, 10–36 × 5–16 mm, base not spurred, not scarious, apex emarginate to retuse. |
Inflorescences | panicles, 10–120-flowered, 3–20-branched; branches not recurved, dichotomously forked; bracts similar to leaves, smaller. |
Pedicels | 2–5 mm. |
Flowers | 5-merous; sepals (persistent, closely appressed to corolla tube), erect, connate basally, greenish, ovate, equal, 3.2–3.5 × 1–3 mm, apex subacute; petals (persistent until fruiting), erect basally, divergent apically, connate basally, creamy white, yellowish white, or pale yellow, elliptic-oblong or oblanceolate-oblong, cucullate, 5–9(–11.5) mm, apex abruptly pointed; filaments pale yellow; anthers yellow; nectar scales white or yellow, subreniform. |
Carpels | erect in fruit, distinct, brown, (strongly 5-veined). |
2n | = 90. |
Sedum oregonense |
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Phenology | Flowering spring–summer. |
Habitat | Gravel, mats of Selaginella or moss on rocky slopes and ledges, crevices of cliffs |
Elevation | 900-2200 m (3000-7200 ft) |
Distribution |
CA; OR
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Source | FNA vol. 8, p. 220. |
Parent taxa | Crassulaceae > Sedum |
Sibling taxa | |
Synonyms | Cotyledon oregonensis |
Name authority | (S. Watson) M. Peck: Man. Higher Pl. Oregon, 361. (1941) |
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