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FOC | Family List | FOC Vol. 15 | Primulaceae

7. Androsace Linnaeus, Sp. Pl. 1: 141. 1753.

点地梅属 dian di mei shu

Androsace bisulca var. aurata

Credit: Harvard University Herbaria

Herbs perennial, annual, or biennial, acaulescent, rarely caulescent with ascending or decumbent shoots from a caudex. Leaves forming a rosette, rarely alternate; rosettes solitary or clustered, forming lax mats or compact cushions. Inflorescences umbellate, rarely a solitary flower, with bracts. Flowers 5-merous, homostylous. Calyx campanulate to subglobose, shallowly to deeply lobed. Corolla white, pink, purple, or dark red, rarely yellow; tube usually ± inflated, ca. as long as to shorter than calyx; throat constricted; lobes entire or emarginate. Stamens included, inserted on corolla tube; filaments very short; anthers ovate, apex obtuse. Style not longer than corolla tube. Capsule subglobose, dehiscing nearly to base. Seeds few to many.

Approximately 100 species widely distributed in temperate regions of the northern hemisphere; 73 species native to China.


Key 2

1 Leaf blade orbicular to reniform, 0.5-1.5 cm wide   18 Androsace graceae
+ Leaf blade ovate to elliptic, 2-6 cm wide.   (2)
       
2 (1) Leaf blade ovate to ovate-elliptic, base truncate to rounded   19 Androsace mirabilis
+ Leaf blade elliptic to elliptic-obovate, tapered toward base, pinnately incised   20 Androsace runcinata

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