Sedum lanceolatum |
Sedum ochroleucum |
|||||
---|---|---|---|---|---|---|
lance-leaf stonecrop, spear-leaf stonecrop |
European stonecrop |
|||||
Habit | Herbs, perennial, tufted, glabrous. | Herbs, perennial, cespitose, glabrous or glandular-hairy. | ||||
Stems | rootstocks, decumbent and ascending, branched, (sometimes papillose), bearing terminal rosettes and above ground shoots. |
± procumbent, branched, (glabrous or glandular-hairy), not bearing rosettes. |
||||
Flowering shoots | erect, simple or branched, 3–18 cm; leaf blades elliptic-lanceolate, base short-spurred; offsets not formed. |
erect (or ascending), simple, 15–40 cm, (glabrous or glandular-hairy); leaf blades linear-lanceolate, base spurred; offsets not formed. |
||||
Leaves | (not easily detached), alternate, spreading-erect to erect or ascending, sessile; blade dull gray-green or bluish green, green, or reddish green, often glaucous, lanceolate, elliptic-lanceolate, or elliptic-ovate, subterete, 4.2–13 × 1.5–3.5 mm, base very short-spurred, base of withered blade at times becoming scarious, apex obtuse or obtusely apiculate, (surfaces papillose). |
alternate, (imbricate), erect, sessile; blade green, sometimes glaucous, linear-lanceolate, terete, 10–15 × 1–2.5 mm, base spurred, not scarious, apex mucronate, (surfaces glabrous). |
||||
Inflorescences | cymes, 5–25-flowered, (1–)3(–6)-branched; branches ascending, spreading to erect, or recurved, forked; bracts similar to leaves. |
terminal corymbiform cymes (erect and flat-topped in bud), 10–50+-flowered, 3–5-branched; branches scarcely recurved, sometimes forked; bracts similar to leaves, glandular-pubescent. |
||||
Pedicels | absent or to 3 mm. |
to 1 mm. |
||||
Flowers | 5-merous; sepals erect, connate basally, pale green to yellow-green, ovate or lanceolate, equal, 2–5 × 1–2 mm, apex acute or, rarely, obtuse, (often papillose); petals widely spreading from suberect base, distinct, canary to golden yellow, lanceolate, elliptic-lanceolate, or linear-lanceolate, canaliculate, 6–9.2 mm, apex acute to acuminate with minute mucronate appendage; filaments yellow; anthers yellow, sometimes suffused with red; nectar scales deep yellow to yellow-green, obovately square. |
(5–)6–8-merous; sepals erect, connate basally, gray-green, lanceolate, equal, 3–6 × 1–2 mm, apex long-acuminate, (densely glandular-pubescent); petals erect or suberect, distinct, yellowish, lanceolate, carinate, 8–10 mm, apex acute; filaments white, (glabrous); anthers yellow; nectar scales greenish, square. |
||||
Carpels | erect in fruit, basally connate, brown. |
erect in fruit, connate basally, brown. |
||||
2n | = 16. |
= 34, 68, 102. |
||||
Sedum lanceolatum |
Sedum ochroleucum |
|||||
Phenology | Flowering late spring-mid summer. | |||||
Habitat | Disturbed areas, roadsides, fields | |||||
Elevation | 0-300 m (0-1000 ft) | |||||
Distribution |
AK; AZ; CA; CO; ID; MT; NE; NM; NV; OR; SD; UT; WA; WY; AB; BC; SK; YT
|
MA; NY; WI; Europe [Introduced in North America] |
||||
Discussion | Varieties 2 (2 in the flora). Sedum lanceolatum forms offsets in the axils of rosette leaves. The mature carpels have divergent beaks and narrow lips along the adaxial suture. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Sedum ochroleucum is rarely cultivated and naturalized in North America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
||||
Key |
|
|||||
Source | FNA vol. 8, p. 206. | FNA vol. 8, p. 213. | ||||
Parent taxa | Crassulaceae > Sedum | Crassulaceae > Sedum | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Torrey: Ann. Lyceum Nat. Hist. New York 2: 205. (1827) | Chaix: in D. Villars, Hist. Pl. Dauphiné 1: 325. (1786) | ||||
Web links |
|