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spearleaf stonecrop

lance-leaved stonecrop, spearleaf stonecrop

Habit Plants perennial, tufted, glabrous.
Stems

decumbent and ascending, branched, sometimes papillose, bearing terminal rosettes and above-ground shoots.

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.

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.

Inflorescences

cymes with 5–25 flowers, with (1)3(6) forked branches;

bracts similar to leaves.

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.

Fruits

erect, fused at base, not glandular.

2n

=16, 32, 48.

Sedum lanceolatum

Sedum lanceolatum var. lanceolatum

Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
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.

Source Flora of Oregon, volume 2, page 602
Barbara Wilson, Richard Brainerd, Nick Otting
Sibling taxa
S. acre, S. album, S. debile, S. divergens, S. laxum, S. leibergii, S. moranii, S. oblanceolatum, S. oreganum, S. oregonense, S. radiatum, S. spathulifolium, S. stenopetalum, S. thartii
Subordinate taxa
S. lanceolatum var. lanceolatum
Synonyms Sedum lanceolatum var. rupicola, Sedum rupicola
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