|Pelargonium desertorum Vorster|
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S. Afr. J. Bot. 52 (1986) 184.
Much branched deciduous shrublet, up to 0.3 m. Stems covered with short glandular hairs, reddish when young, gradually becoming greyish-brown and rough with age.
Leaves simple, densely covered with very short glandular hairs, lamina orbicular, apex rounded, margin shallowly 5-lobed, margin dentate, 10-20(30) x 10-20(25) mm. Petiole 8-20(50) mm. Stipules triangular, 1.5-2 x 1 mm, persistent.
Pseudo umbels with (2)3-4(6) flowers, sometimes borne on flowering branches, distinguished by long internodes. Pedicel 20-35 mm.
5, (narrowly) ovate, 7-8 x 1.5-2 mm. Hypanthium 2-23 mm, usually shorter than, sometimes equalling pedicel.
Petals 5, narrowly spathulate, white. Posterior two 12-13 x 4-5 mm, reflexed at <45o, close together, anterior 12-13 x 3.5-4 mm, spaced at cca. 90o relative to each other. All petals with a diffuse purple tinge at the base.
7 fertile, 4 long, 1 slightly shorter, 2 short.
The illustration in the original publication, as well as the above photo, show pedicels being much shorter than hypanthia, while the diagnosis reports the opposite. It would appear that the respective figures in the publication might have been mixed up.
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