Sedum lanceolatum |
Sedum laxum |
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spearleaf stonecrop |
roseflower stonecrop |
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Habit | Plants perennial, cespitose or not, glabrous; stolons 1.4–5 mm in diameter when dried. | |
Stems | ascending; much branched, bearing dense rosettes. |
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Flowering shoots | erect or decumbent, 10–42 cm; stem leaves alternate, oblanceolate, elliptic, oblong or suborbicular; broadest near or above middle, auriculate or not, decurrent or not, different from rosette leaves. |
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Leaves | rosette leaves obovate, spatulate or oblanceolate, subterete to somewhat flattened, 10–50 × (4.5)6–33 mm, green, bases not spurred, not scarious; tips truncate to rounded or obtuse, notched or not; surfaces glaucous or not, not pruinose. |
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Inflorescences | panicle-like cymes with 12–80 flowers, with 3+ branches; branches 2-forked; bracts similar to stem leaves but smaller. |
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Flowers | 5-parted; calyx lobes erect, closely appressed to corolla tube; ovate or lanceolate; (2)2.6–5.1 mm, pale green; tips acute or subacute; petals erect or spreading 15–30° from flower axis, 4–11 mm, pink with broad white margins, sometimes almost entirely white; aging red; tips acuminate, sometimes attenuate; anthers dark rose red, rarely dark red-orange; aging black. |
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Fruits | erect, brown. |
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Sedum lanceolatum |
Sedum laxum |
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Distribution | ||
Discussion | Western North America. 4 subspecies; 2 subspecies treated in Flora. Sedum laxum is recognized by its long, narrowly acute to acuminate, usually pink petals. The white petal margins can be broad, and, depending on environmental conditions, the entire petal may be white. Even when petals are white, anthers remain dark red, rarely dark red-orange. |
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Source | Flora of Oregon, volume 2, page 602 Barbara Wilson, Richard Brainerd, Nick Otting |
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Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Sedum lanceolatum var. rupicola, Sedum rupicola | |
Web links |
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