Sedum oreganum |
Sedum havardii |
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Oregon stonecrop |
Havard's stonecrop |
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Habit | Herbs, perennial, multi-stemmed from base, glabrous. | Herbs or subshrubs, perennial, not tufted, glabrous. | ||||
Stems | rootstocks and decumbent branches, (stout), bearing terminal rosettes. |
procumbent, creeping, or spreading, with ascending or erect branches, (tuberculate), not bearing rosettes. |
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Flowering shoots | erect, simple or branched, 8–13 cm; leaf blades spatulate or cuneate, base short-spurred; offsets not formed. |
erect, simple, 1–5 cm, (papillose); leaf blades elliptic, base short-spurred; offsets not formed. |
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Leaves | alternate, spreading, sessile; blade lustrous light green, not glaucous, spatulate or cuneate, laminar (thickest near apex), 7–12 × 4.4–9 mm, base short-spurred, not scarious, apex broadly rounded or truncate. |
alternate, (imbricate to subimbricate), erect to spreading, sessile; blade bright green, sometimes glaucous, suboblong to ovate, somewhat flattened to terete, 4–9 × 1–2 mm, base widened, short-spurred, not scarious, apex obtuse, (surfaces smooth or papillose). |
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Inflorescences | dense corymbs, 5–10-flowered, 3-branched; branches spreading to erect, primary branch dichotomously forked; bracts spatulate or oblanceolate, 5–8 mm, base spurred. |
3-parted cymes, 2–10-flowered or flowers solitary, simple or monochasially 1-branched; branches erect to slightly recurved, not forked; bracts similar to leaves, sometimes imbricate. |
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Pedicels | absent or 0.4–3+ mm. |
absent or to 1.5 mm. |
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Flowers | 5-merous; sepals erect, connate basally, green, ovate-lanceolate, equal, ca. 3.5 × 2 mm, apex acuminate or acute; petals erect or erect basally and divergent distally, connate basally, yellow, narrowly lanceolate, carinate, ca. 10.5 mm, apex aristate; filaments yellowish or greenish; anthers yellow; nectar scales yellow, subquadrate to spatulate or oblong. |
5-merous; sepals erect to suberect, distinct basally, green to pinkish, linear or lanceolate, slightly unequal, 3–5 × 0.2–1 mm, apex obtuse; petals spreading, distinct basally, white, suboblong, not carinate, 5–6.5 mm, apex obtuse, shortly mucronate; filaments white to pale pink; anthers red or purplish; nectar scales whitish to pale pink, oblong, (retuse). |
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Carpels | erect in fruit, connate basally, light brown or yellow. |
divergent or stellately spreading in fruit, distinct, red to purple or stramineous with reddish to purplish striations. |
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2n | = 24. |
= ca. 36–50, 68–72. |
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Sedum oreganum |
Sedum havardii |
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Phenology | Flowering spring–fall. | |||||
Habitat | Igneous rock outcrops or talus in oak-pinyon woodlands and chaparral | |||||
Elevation | 1500-2500 m (4900-8200 ft) | |||||
Distribution |
AK; CA; OR; WA; BC
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TX; Mexico (Coahuila) |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 8, p. 221. | FNA vol. 8, p. 214. | ||||
Parent taxa | Crassulaceae > Sedum | Crassulaceae > Sedum | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Gormania oregana | |||||
Name authority | Nuttall: in J. Torrey and A. Gray, Fl. N. Amer. 1: 559. (1840) | Rose: in N. L. Britton et al., N. Amer. Fl. 22: 74. 1905 (as havardi), | ||||
Web links |