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FNA | Family List | FNA Vol. 8 | Crassulaceae | Sedum

27. Sedum havardii Rose in N. L. Britton et al., N. Amer. Fl. 22: 74. 1905.

Herbs or subshrubs, perennial, not tufted, glabrous. Stems procumbent, creeping, or spreading, with ascending or erect branches, (tuberculate), not bearing rosettes. Leaves alternate, (imbricate to subim-bricate), 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). Flowering shoots erect, simple, 1-5 cm, (papillose); leaf blades elliptic, base short-spurred; offsets not formed. Inflorescences 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. Pedicels absent or to 1.5 mm. Flowers 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). Carpels divergent or stellately spreading in fruit, distinct, red to purple or stramineous with reddish to purplish striations. 2n = ca. 36-50, 68-72.

Flowering spring-fall. Igneous rock outcrops or talus in oak-pinyon woodlands and chaparral; of conservation concern; 1500-2500 m; Tex.; Mexico (Coahuila).


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