|Pelargonium adriaanii M. Becker & F. Albers|
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Bot. Jahrb. 126 (2008) 153-161.
Deciduous shrublet with succulent stems, usually <50 cm and <80 cm in diameter, initially erect, later decumbent, with a thickened taproot. Stems 2-3 cm, bark smooth, silver-grey.
Subsucculent, alternate, compound, non-aromatic. Lamina alternately bipinnatiartite, channelled along the midrib, covered in short bristles interspersed with short glandular hairs, 70-80(-120) x 30-40(-50) mm. Leaflets 20-300 x 10-20 mm, margin involute, petiole 25-35(-60) mm, approximately half as long as the lamina. Stipules triangular.
Inflorescence complex, 15-20(-30) cm tall, with 3-4 successive points of branching with 8-12(-16) pseudoumbles with 5-8(-12) flowers each. Often tinged purple, expiring completely, though the remains of the main peduncle persist for at least a year. The flower buds and the flowers are erect. Pedicel 10-13(-19) mm.
5, lanceolate, with white margins, 7-8 x 2-3 mm. Hypanthium 3-5(-7) mm.
White to pale pink, slightly curved back, posterior two auricled, 11-44 x 6-7.5 mm, anterior three obovate, 10-12 x 5.5-6.5 mm.
5 fertile, 7-9 mm long.
The coast between Port Nolloth and Alexander Bay is extremely interesting for otidia-enthusiasts. It becomes progressively drier towards North and P. adriaanii grows up to 40 km N of Port Nolloth where higher shrubs can still be found. P. parviflorum partly shares this habitat, although it occupies the drier parts of the coastline closer to Alexander Bay as well. Just a little inland along the Orange River, in still drier parts, P. klinghardtense and P. albersii prevail. P. adriaanii could be confused with P. carnosum, however, the two posterior petals are much larger, the hypanthia shorter and the pedicels much longer than in the latter species.
Becker M., Albers F. (2005a).
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