Sedum spathulifolium |
Sedum nanifolium |
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broad-leaf stonecrop, Pacific stonecrop, spatula-leaf stonecrop |
dwarf stonecrop |
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Habit | Herbs, perennial, mat-forming, glabrous. | Herbs, perennial, mat-forming, glabrous. | ||||
Stems | rhizomatous, procumbent or creeping, much-branched, bearing terminal rosettes. |
procumbent, becoming erect, (reddish-shiny proximally), long-branched, not bearing rosettes. |
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Flowering shoots | erect, simple, 3–14 cm; leaf blades spatulate-oblong or elliptic-oblong, base not spurred; offsets not formed. |
erect, simple or branched, 2–4 cm; leaf blades orbiculate to broadly ovate, base not spurred; offsets not formed. |
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Leaves | alternate, spreading, petiolate; blade green, often glaucous or pruinose, spatulate, terete to laminar, 7–19 × 4.5–10 mm, base not spurred, not scarious, apex rounded or truncate, submucronate, (surfaces papillose marginally). |
alternate, (densely set), erect to slightly spreading, sessile; blade green with prominent red dots, not glaucous, sometimes waxy, orbiculate to broadly obovate, semiterete, 2.5–3.5(–5) × 2–2.5 mm, base not spurred, not scarious, apex rounded to acute. |
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Inflorescences | cymes, ca. 30-flowered, ca. 3-branched; branches not recurved, forked; bracts oblong-spatulate or linear, ca. 3 cm, base not spurred. |
subscorpioid cymes, 10–20-flowered, simple to 2-branched; branches erect to spreading or recurved, sometimes forked; bracts oblong, ca. 3 mm, base broadly spurred. |
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Pedicels | 2–8 mm. |
absent. |
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Flowers | 5-merous; sepals spreading to erect, connate basally, green or yellow-green, glaucous or pruinose, lanceolate, linear-lanceolate, oblong-ovate, or obovate, equal, ca. 2.5 × 1.5 mm, apex acute or obtuse; petals widely spreading from short, erect base, distinct or slightly connate basally, yellow, linear to oblanceolate, not carinate, 4.5–9 mm, apex acute; filaments yellow; anthers yellow; nectar scales yellow, reniform or nearly square. |
5-merous; sepals suberect, distinct basally, greenish, sometimes with reddish striations, subovate, unequal, 2–2.5 × 0.1–1.6 mm, apex obtuse, (papillose); petals erect to spreading, distinct, yellow with prominent, short, longitudinal red stripes, lanceolate, carinate, 4.5–5 mm, apex subobtuse, narrowly mucronate; filaments whitish or pale yellow; anthers yellow; nectar scales inconspicuous. |
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Carpels | divergent in fruit, connate basally, brown. |
spreading in fruit, distinct, tan or brown with reddish striations. |
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2n | = 30. |
= 52, 53, 104. |
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Sedum spathulifolium |
Sedum nanifolium |
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Phenology | Flowering late spring–early winter. | |||||
Habitat | Limestone gravel or outcrops in various vegetation | |||||
Elevation | 1300-2000 m (4300-6600 ft) | |||||
Distribution |
CA; OR; WA; BC
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TX; Mexico (Chihuahua, Coahuila, Nuevo León) |
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Discussion | Varieties 2 (2 in the flora). The mature carpels of Sedum spathulifolium have five ribs and prominent lips along the adaxial suture. The flowers are sweetly fragrant. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Sedum nanifolium is found in the Del Norte Mountains of Brewster County. The long-branched (to 20 cm), reddish-shiny stems are distinctive; see discussion under 19. S. robertsianum. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 8, p. 222. | FNA vol. 8, p. 211. | ||||
Parent taxa | Crassulaceae > Sedum | Crassulaceae > Sedum | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | S. parvum subsp. nanifolium | |||||
Name authority | Hooker: Fl. Bor.-Amer. 1: 227. (1832) | Fröderström: Acta Horti Gothob. 10(app.): 96, figs. 736–746, plate 61. (1936) | ||||
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