Sedum lanceolatum |
Sedum lanceolatum var. lanceolatum |
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spearleaf stonecrop |
lance-leaved stonecrop, spearleaf stonecrop |
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Habit | Plants perennial, tufted, glabrous. | |
Stems | decumbent and ascending, branched, sometimes papillose, bearing terminal rosettes and above-ground shoots. |
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Flowering shoots | erect; simple or branched, not forming rosettes in axils of leaves, 3–18 cm; stem leaves not easily detached, alternate, elliptic-lanceolate; broadest below middle, bases with short spur, not producing leafy bulbils in axils. |
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Leaves | rosette leaves spreading to erect or ascending, lanceolate, elliptic-lanceolate or elliptic-ovate; narrow and often rounded in cross section, 4.2–9 × 1.5–2.5 mm; dull gray-green; bluish green, green, or dark reddish, bases with very short spurs; tips obtuse or obtusely apiculate; surfaces papillose, dried leaves not keeled. |
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Inflorescences | cymes with 5–25 flowers, with (1)3(6) forked branches; bracts similar to leaves. |
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Flowers | 5-parted; sepals ovate or lanceolate, 2–4 × 1–2 mm, pale green to yellow-green; tips rounded to blunt or rarely acute, often papillose; petals widely spreading from erect base; distinct, lanceolate, elliptic-lanceolate or linear-lanceolate, keeled, 6–9 mm, yellow; tips acute to acuminate with minute apiculus; filaments yellow; anthers yellow, sometimes with red. |
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Fruits | erect, fused at base, not glandular. |
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2n | =16, 32, 48. |
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Sedum lanceolatum |
Sedum lanceolatum var. lanceolatum |
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Distribution | ||
Discussion | Rock outcrops, cliffs. Flowering Jun–Sep. 1200–3000 m. BR, BW, ECas, Sisk. CA, ID, NV, WA; north to AK, east to SD, southeast to NM. Native. Sedum lanceolatum is a common, yellow-flowered stonecrop, growing east of the Cascades. It produces tight rosettes of pointed, often reddish leaves. Similar S. leibergii has glandular-pustulose, glandular, horizontally spreading follicles. Sedum stenopetalum produces rosettes in the axils of the leaves of the flowering stems. |
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Source | Flora of Oregon, volume 2, page 602 Barbara Wilson, Richard Brainerd, Nick Otting |
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Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Sedum lanceolatum var. rupicola, Sedum rupicola | |
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