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opposite stonecrop, orpine stonecrop, weak-stem stonecrop

Habit Herbs, perennial, tufted, glabrous.
Stems

decumbent, branched, bearing erect rosettes.

Flowering shoots

erect, decumbent, or ascending, simple, 3–12 cm;

leaf blades ovate-elliptic, base not spurred;

offsets not formed.

Leaves

opposite and decussate (rarely alternate), ascending, sessile;

blade pale green, speckled with pink, sometimes pink or red, glaucous, usually elliptic, oblanceolate, or obovate, sometimes ovate-elliptic, subterete, ± globular, 4.2–7.2 × 2.8–4.3 mm, base not spurred, (clasping), not scarious, apex widely rounded or sometimes weakly emarginate, (surfaces minutely papillose).

Inflorescences

cymes, 2–7-flowered, 2-branched;

branches not recurved, forked;

bracts similar to leaves, smaller.

Pedicels

to 1.2 mm.

Flowers

5-merous;

sepals erect, connate basally, pale green, glaucous, lanceolate, equal, 2–4.2 × 1.3–2 mm, apex obtuse, (papillose);

petals basally erect, distally spreading, connate basally, yellow, elliptic-lanceolate, slightly carinate, 6–9 mm, apex obtuse with mucronate appendage;

filaments yellow;

anthers yellow, (sometimes compressed and winged);

nectar scales yellow, orange-red, or salmon-pink, reniform to square.

Carpels

erect or ascending in fruit, connate basally, straw colored with purple stripes.

2n

= 14–18.

Sedum debile

Phenology Flowering summer.
Habitat Open, rocky places
Elevation 1500-3500 m (4900-11500 ft)
Distribution
from FNA
ID; MT; NM; NV; OR; UT; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

The axillary, almost globular, rosettes of Sedum debile are the primary mode of propagation in this species (R. T. Clausen 1975).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 8, p. 211.
Parent taxa Crassulaceae > Sedum
Sibling taxa
S. acre, S. albomarginatum, S. album, S. annuum, S. borschii, S. cockerellii, S. divergens, S. glaucophyllum, S. havardii, S. hispanicum, S. lanceolatum, S. laxum, S. leibergii, S. lineare, S. mexicanum, S. moranii, S. nanifolium, S. nevii, S. niveum, S. nuttallii, S. oblanceolatum, S. obtusatum, S. ochroleucum, S. oreganum, S. oregonense, S. praealtum, S. pulchellum, S. pusillum, S. radiatum, S. robertsianum, S. rupestre, S. rupicola, S. sarmentosum, S. sexangulare, S. spathulifolium, S. stelliforme, S. stenopetalum, S. ternatum, S. villosum, S. wrightii
Synonyms Gormania debilis
Name authority S. Watson: Botany (Fortieth Parallel), 102. (1871)
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