nephrophyllum E. M. Marais
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S. Afr. J. Bot. 58 (1992) 220.
Lamina (10-)15-25 x (13-)18-27 mm, reniform, palmately veined. Apex rounded, margin deeply crenate, adaxially green, abaxially reddish purple, sparsely hirsute. Petiole 40-80 mm, rigid, spreading horizontally. Stipules narrowly triangular, adnate to petioles to 1/3 of their length.
Branched, with 2 pseudo umbels, each with 3-7 flowers. Peduncles 25-75 mm, hirsute with distally appressed curly hairs interspersed with short glandular hairs, pedicel ~0.5 mm.
5, lanceolate, recurved. Hypanthium 20-30 mm.
Petals pink to salmon pink with an orange blotch, patent during anthesis, posterior two obcordate, apices emarginate, 12-14 x 6.5-8 mm, anterior three spathulate, apices rounded, 11-14 x 2.5-3.5 mm.
5 fertile, protruding from the flower, anthers pink, pollen orange.
A sunbathing P. nephrophyllum (just visible at the bottom of the image) beneath Giftberg. This is a very dry part of the country, receiving 100-200 mm rainfall only - perhaps this is why the tubers are very short and thick.
Landscape in full flower beneath Giftberg in August 2014, 10 km S of Vanrhynsdorp, W Cape Province. This is a remarkably calm spot along the busy N7, a walk followed by a pot of local rooibos is pure bliss.
In the fairly open shrubland, bulbs abound: here a flowering Babiana sp., but Albuca and Lachenalia species are very common as well.
E. M. Marais, Taxonomic Studies in Pelargonium, Section Hoarea (Geraniaceae), PhD Thesis, University of Stellenbosch, 1994.
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