DENTATA Thunberg, 1794
Synonyms :
Purgosea dentata (Thunberg) G.Don (1834) / Septas dentata (Thunberg) P.V.Heath (1993)
Crassula minima Thunberg (1794) / Purgosea minima (Thunberg) G.Don (1834)
Petrogeton patens Ecklon & Zeyher (1837) / Crassula patens (Ecklon & Zeyher) Endlicher ex Walpers (1843)
Petrogeton typicum Ecklon & Zeyher (1837)
Petrogeton typicum var. minus Ecklon & Zeyher (1837)
Crassula petrogeton Endlicher ex Walpers (1843)
Crassula dentata var. minor Harvey (1862)
Crassula marlothii Schönland (1897)
Crassula dielsii Schönland (1904)
Section Petrogeton
Distribution : SA (Northern Cape, Western Cape), mountains, shade of rocks.
Description (according to E. van Jaarsveld in IHSP, 2003) :
Geophytes with erect unbranched stems to 20 cm.
Tuber globose with fibrous adventitious roots.
Leaves in more than 3 pairs, basal leaves in whorls of 4, spatulate with petioles to 7 cm, upper leaves 3 - 20 x 3 - 25 mm, opposite, obovate to elliptic ovate to orbicular, margin entire to dentate, surface glabrous, rarely hairy, green, base cuneate, tip rounded to subacute.
Inflorescences terminal and axillary, peduncle absent.
Flowers : Sepals triangular-lanceolate, to 1.5 mm, acute to obtuse, corolla stellate, to 8 mm across, white to cream, petals lanceolate, to 3.5 mm, tips spreading, anthers yellow.
Flowering time : Spring to mid-summer.