Pelargonium riversdalense R.Knuth

Species

Angiosperms > Geraniales > Geraniaceae > Pelargonium l'hér.

Characteristics

Verisimiliter 30-50 cm altum, suffruticosum vel fruticosum, ramosum vel ramosissimum, densissime foliatum, inferne saepe foliis denudatum. Gaulis et rami sublignosi, 5-7 mm crassi, puberuli, demum glabri, foliis densissime obtecti. Folia glaucoideo-viridia; petioli usque 3 cm longi et 2 mm crassi, puberuli, crassiusculi; lamina 2-4 cm diametiens, petiolo vix aequilonga, glabrescens vel glabra, margine saepe crispula, subtus prominenter nervata, ambitu cordata, 5-9-lobata lobis rotundatis vel ovatis acute dentatis, dentibus saepe rubello-marginatis; folia superiora gradatim minora. Stipulae triangulares vel ovatae, ± longe acuminatae, acutae, saepe 8-9 mm longae, basi 2 1/2-3 mm latae, glabrescentes vel minutissime puberulae. Umbellae plures, ad apices ramorum congestae. Pedunculi 1 1/2-3 1/2 cm longi, 1 1/2-2 mm crassi, crassiusculi, indumento minutissimo puberulo tomentosi et pilis sparsioribus patulis longis subhirsuti, 3-8-flori. Bracteae ovatae, acutae vel acutiusculae, 6 1/2-8 mm longae, 2 1/2-3 mm latae, glabrae vel margine ciliatae, non raro rubellae, mox membranaceae. Pedicelli 1 1/2-6 mm longi, sicut calycis calcar dense puberulo-tomentosi et pilis longis hirsuti. Calycis calcar 7-10 mm longum, 1 1/4-1 3/4 mm crassum, pedicello saltern 2-plo crassius, sub sepalis ampliatum; sepala ovato-oblonga, acuta vel mucronulata, 8 1/2-10 1/2 longae 2 1/2-2 3/4 mm lata, margine rubella. Petala duo maiora, sepalis 3-plo longiora, usque 23 mm longa et 12 mm lata, e basi cuneata latissime obovata, albida vel rosea, basin versus macula magna purpureo-carminea picta; tria minora concolora, lingulato-spathulata, 15 mm longa et 2 3/4 mm lata. Filamenta calyci aequilonga. Pistillum purpureum.
Life form annual
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Cultivation

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Distribution

Pelargonium riversdalense world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:376907-1
WFO ID wfo-0000467904
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pelargonium riversdalense