IMBRICATA  Edgeworth, 1846

Synonyms :

Sedum imbricatum  (Edgeworth) Walpers (1848)

Sedum imbricatum  Hooker f.& Thomson (1858) (nom. illeg., Art. 53.1)

Type : Edgeworth, s.n., Kumaon, India.
 

Subgenus Rhodiola, section Rhodiola

Etymology : Lat. ‘imbricatus’ = overlapping like tiles on a roof > for the leaf arrangement.

Distribution : India (Kumaon), Nepal.

Description (by H. Ohba in IHSP, 2003) :

Dioecious, to 30 cm tall. 

Rhizomes subcylindrical to elongate ovoid, 2 - 2.5 cm in diameter, sparsely branched.

Flowering stems glabrous, 10 - 20 cm, 4 - 6 mm in diameter, elongating after flowering to 20 - 30 cm, 6 - 9 mm in diameter.

Leaves densely arranged, sessile, oblanceolate to narrowly elliptic, 2 - 3 cm x 3 - 7 mm, glabrous,

tip acute, base round or cuneate, margin nearly entire to remotely denticulate in the upper ½, nearly entire in the lower ½.

Inflorescences 1 - 1.5 x 2.5 - 3 cm in diameter, compact, 20- to 40-flowered, pedicels 3 - 5 mm, glabrous.

Flowers : Calyx 4.5 - 6.5 mm, tube 1.2 - 2 mm, sepals linear to subulate, 3 - 4 mm, petals angular-oblanceolate or oblong-obovate, 5 - 6.5 mm, stamens distinctly longer than the petals, anthers dark purplish-red, nectar scales widely oblong, 0.7 - 1.2 mm, dark red, carpels 3 - 5 mm, each with 8 - 10 ovules, tapering into indistinct styles, fruits 8 - 12 mm, seeds 1.5 mm, ellipsoid.

Flowering time : June - August.