Burke: Sedum lanceolatum vs. Sedum leibergii

	Sedum lanceolatum	Sedum leibergii
	lance-leaved stonecrop	Leiberg's stonecrop
Habit	Carpels 5, erect, distinct, the styles very short, divergent.	Weak perennial from short, slender rhizomes, the few, simple flowering stems upright, 7-12 cm. tall, with few sterile branches.
Leaves	Leaves alternate, linear-lanceolate and terete to ovate and somewhat flattened, not keeled, 5-20 mm. long, mostly deciduous by flowering time.	Basal leaves crowded is rosettes, oval, some less than 5 mm. long, rice-like in appearance, others more elongate and spatulate, covered with short projections; cauline leaves near the base narrowly spatulate-oblanceolate, up to 25 mm. long, reduced upward to obovate and 6 mm. long.
Flowers	Follicles 5, erect, united at the base, each with a small gland at the base, and tipped by the erect or divergent, tapered style.	Flowers numerous in several-rayed, spreading cymes, sessile; sepals 5, triangular to lance-ovate, 1-1.5 mm. long; petals 5, distinct, narrowly elliptic-lanceolate, acuminate, 5-8 mm. long; stamens 10, shorter than the petals; pistils 5.
Fruits	Erect follicles.	Follicles 5, widely spreading, basally united for 1 mm., covered with glandular projections.
Comments		Flowers with more than 5 follicles, as shown in the photos, are rare.

	Sedum lanceolatum	Sedum leibergii
Identification notes	Leaves of flower stems are alternate, terete and not strongly incurved.
Flowering time	May-August	April-July
Habitat	On rocks or gravel in open, dry areas, from sea level to the alpine.	Mossy rocks to open, gravelly hillsides, chiefly in canyons.
Distribution	Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains in the U.S. and Canada. [WildflowerSearch map] [BONAP county map]	Occurring east of the Cascades crest in Washington; Washington to Oregon, east to Montana. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa	S. acre, S. album, S. brevifolium, S. divergens, S. forsterianum, S. leibergii, S. oreganum, S. rupicola, S. spathulifolium, S. stenopetalum, S. thartii	S. acre, S. album, S. brevifolium, S. divergens, S. forsterianum, S. lanceolatum, S. oreganum, S. rupicola, S. spathulifolium, S. stenopetalum, S. thartii
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: OR, WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search

Sedum lanceolatum

Sedum leibergii

lance-leaved stonecrop

Leiberg's stonecrop

Habit

Carpels 5, erect, distinct, the styles very short, divergent.

Weak perennial from short, slender rhizomes, the few, simple flowering stems upright, 7-12 cm. tall, with few sterile branches.

Leaves

Leaves alternate, linear-lanceolate and terete to ovate and somewhat flattened, not keeled, 5-20 mm. long, mostly deciduous by flowering time.

Basal leaves crowded is rosettes, oval, some less than 5 mm. long, rice-like in appearance, others more elongate and spatulate, covered with short projections;

cauline leaves near the base narrowly spatulate-oblanceolate, up to 25 mm. long, reduced upward to obovate and 6 mm. long.

Flowers

Follicles 5, erect, united at the base, each with a small gland at the base, and tipped by the erect or divergent, tapered style.

Flowers numerous in several-rayed, spreading cymes, sessile;

sepals 5, triangular to lance-ovate, 1-1.5 mm. long;

petals 5, distinct, narrowly elliptic-lanceolate, acuminate, 5-8 mm. long;

stamens 10, shorter than the petals;

pistils 5.

Fruits

Erect follicles.

Follicles 5, widely spreading, basally united for 1 mm., covered with glandular projections.

Comments

Flowers with more than 5 follicles, as shown in the photos, are rare.

Sedum lanceolatum

Sedum leibergii

Identification notes

Leaves of flower stems are alternate, terete and not strongly incurved.

Flowering time

May-August

April-July

Habitat

On rocks or gravel in open, dry areas, from sea level to the alpine.

Mossy rocks to open, gravelly hillsides, chiefly in canyons.

Distribution

Widely distributed on both sides of the Cascades crest in Washington; Alaska to California, east to the Rocky Mountains and northern Great Plains in the U.S. and Canada.

[WildflowerSearch map]

[BONAP county map]