Pelargonium barklyi Scott Elliot
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PELARGONIUM NOTES
J. Bot. 29 (1891) 68-69.
Section Ciconium

Habit
Geophyte with a vertically oriented naked subterranean tuber and exposed annual branches bearing leaves and inflorescences, up to 500 mm high when in flower. Branches smooth, herbaceous, conspicuously pilose and with numerous shorter glandular hairs, green but with a strong purple tinge.



Leaves
Simple, widely spaced on annual branches, lamina more or less orbicular, cordately incised, apex not defined, margin dentate or more or less shallowly lobed, (30-)50-70(-130) mm in diameter, conspicuously pilose (especially adaxially) and with some shorter glandular hairs, abaxially purple or green with a purple tinge, adaxially green with a purple zone. Petiole 25-180 mm, deciduous, conspicuously pilose and with numerous shorter glandular hairs, stipules 3-6(-10) mm long and as broad at base.


Inflorescence
Pseudo umbel with 2-5(-6) flowers borne on a lateral peduncle, indumentuam as on branches. Pedicel 2-3(-6) mm.



Sepals
Five, narrowly triangular or linear with apices acute, heavily tinged with purple, 1.5-2.5 x 8-11(-15) mm. Hypanthium 35-60(-75) mm.

Petals
5, narrowly obovate, tapering gradually towards bases, apices retuse, light cream coloured, without markings but with a faint pink tinge near the bases. Posterior two 7-8 x 25 mm, abruptly reflexed from middle at ca 90
o. Anterior three 2-3 mm shorter than posterior petals, gradually and slightly recurved at less than 90o.

Stamens
7 fertile, 2 long, 2 slightly shorter, 1 short and two anthers almost sessile. 

Distribution


Habitat

The Kamiesbergpas starts in Kamieskroon (
seen in the background) just off N7 and quickly takes one into the wilderness of Kamiesberge. This is not a very touristy region, with only a few options for accommodation dotted around the remote and little explored landscape. P. barklyi is common along the pass, hiding in the shade underneath thick bushes, where it usually grows. This explains the incredibly long petioles of up to 1/2 m, needed to advertise flowers to pollinators, a feature retained in greenhouse-grown plants.

Synonim
pallidiflorum Schlechter ex Knuth

Literature
POSA3.

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