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Leiberg's stonecrop

Habit Plants biennial, glabrous.
Stems

horizontal; simple.

Flowering shoots

erect; simple; (5)11–18 cm;

stem leaves alternate, not producing leafy bulbils in axils; ovate or elliptic; widest below middle, bases not spurred.

Leaves

rosette leaves deciduous, spreading, narrowly oblanceolate, 2–16 × 1.4–3.2 mm, green or greenish white, bases not spurred;

tips blunt;

surfaces papillose, not glaucous.

Inflorescences

cymes with 5–60 flowers, 3–6-branched;

branches often strongly recurved; each 1–3 times dichotomously forked;

bracts like stem leaves but smaller.

Flowers

(5)6(7)-parted;

sepals ovate, 1.5–2 × 0.7–1.1 mm, green;

tips acute;

petals spreading, separate nearly to base, lanceolate to oblong, 4–6 mm, yellow;

keel green or dark red;

tips subobtuse to acute;

filaments yellow;

anthers yellow;

ovaries glandular-pustulose.

Fruits

widely spreading when mature, fused near base, glandular-pustulose.

2n

=16.

Sedum leibergii

Sedum mexicanum

Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Discussion

Cliffs, rocky slopes, on basalt or limestone. Flowering Apr–Jul. 50–1800 m. BW, Col, ECas, Lava, Owy. ID, WA. Native.

Sedum leibergii is a small, yellow-flowered Sedum like S. lanceolatum, S. radiatum, or S. stenopetalum. Unlike those species, S. leibergii has distinctly glandular-pustulose follicles. Additionally, S. leibergii does not produce offsets in the axils of stem leaves like S. stenopetalum.

Source Flora of Oregon, volume 2, page 603
Barbara Wilson, Richard Brainerd, Nick Otting
Sibling taxa
S. acre, S. album, S. debile, S. divergens, S. lanceolatum, S. laxum, S. moranii, S. oblanceolatum, S. oreganum, S. oregonense, S. radiatum, S. spathulifolium, S. stenopetalum, S. thartii
S. acre, S. album, S. debile, S. divergens, S. lanceolatum, S. laxum, S. leibergii, S. moranii, S. oblanceolatum, S. oreganum, S. oregonense, S. radiatum, S. spathulifolium, S. stenopetalum, S. thartii
Synonyms Sedum borschii
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