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PELARGONIUM COTYLEDONIS is the sole species of Pelargonium the island of SAINT HELENA. It is now confined to the south and south-west coast on barren and exposed rocky cliffs, overhanging the sea on the windward side of the island and more or less inaccessible to introduced livestock. This area of rocky desert and cliff has a rainfall of only 150-380 mm per year. P. cotyledonis has the ability to retain vitality for months without either soil or water. This species is in danger of extinction, its decline was caused by the introduction of goats in 1513 which formed herds nearly 2 as long within 75 years. They devastated the forests originally covering the island. In recent years the goats have been effectively controlled and few if any survive today.

PELARGONIUM COTYLEDONIS (OLD FATHER LIVE FOREVER)

PELARGONIUM COTYLEDONIS is also known as ‘OLD FATHER LIVE FOREVER’ is a perennial sparsely branched succulent, for most of the year a thick and contorted, leafless, shrublets, 3-15 cm thick, up to 30 cm high, but occasionally as tall as 1 m, producing in about May or June a loose rosette of orbicular leaves 2-5 cm long on stalks up to c. 8 cm long. The five petals are pure white, equal in size, and evenly arranged round the center of the flower to lend it a perfectly regular appearance. Pelargonium cotyledonis is a TRULY ODD SPECIES in a genus remarkable for its diversity, and the most curious member of the endemic flora of Saint Helena. The leathery, prominently-veined leaves and the regular, pure white flowers distinguish this species from all others. In the genus it is the only species with pure white petals without any colored markings.

Its STEM IS ROUGH DUE TO THE SUB-PERSISTENT STIPULES and scaly bark, branched, succulent to somewhat woody, to 5 cm in diameter, tips pubescent greyish-green but soon becoming greyish-brown to brown.

While its LEAVES are DECIDUOUS IN SUMMER, clustered and closely-spaced near branches tips, simple. Petioles up to 2.5-8 cm long usually longer than lamina attached towards the center of the underside (peltate) and villous. Blades, leathery, wrinkled, conspicuously veined, more or less orbicular to cordate, (20-) 30-40 (-50) mm long and wide, glabrous or minutely hairy above, discolors, normally green turning reddish later, paler and densely woolly below. BASE CORDATE, apex obtuse, margin crenate and slightly rolled down. Stipules narrowly triangular, pointed, 3-5 mm long, 1-2 mm broad, pubescent.

PELARGONIUM COTYLEDONIS (OLD FATHER LIVE FOREVER)

However, in the CENTER OF THE ROSETTE is borne a slender scape 20 cm or more high, bearing loose branched umbels of flowers. Part-inflorescences with 5-15 flowers, each with 5 white spreading obovate petals 10-14 mm long. Peduncles 30-60 mm long, with glandular hairs. Pedicels 4- 8 mm long with glandular hairs. Hypanthium 0.5-1.5 mm long, conspicuously thickened basally. Sepals lanceolate, green, 6 mm long, 2 mm broad, hairy. Petals 5, white, or sometimes with a pale pink flush, equal in size and shape, elliptic to slightly obovate with short claws, 12-15 mm long, 5-7 mm wide. Stamens 5 (4 long, 1 short); pollen white.

HOW TO TAKE CARE OF PELARGONIUM COTYLEDONIS (OLD FATHER LIVE FOREVER)

Easily growing in cultivation. Pelargonium cotyledonis is in cultivation in specialized collections and in botanic gardens. Seeds from ripe fruits germinate freely and new plants can be raised in greenhouses.

  • SOIL: It does BEST WITH A MIX that has almost NO ORGANIC MATERIAL AT ALL. PERLITE can be substituted for pumice, but it tends to rise to the surface of the mixture.
  • WATER REQUIREMENTS: Water from EARLY FEBRUARY TO LATE APRIL, then from EARLY AUGUST TO LATE NOVEMBER, at a MINIMUM TEMPERATURE of +14° C. KEEP COMPLETELY DRY IN SUMMER AND RATHER DRY WINTER, AT A MINIMUM TEMPERATURE OF +8° C.Pelargonium cotyledonis in cultivation is usually so overwatered and overfertilized that it is hardly recognizable as the species that it is. Correctly grown, this is a beautiful, compact and dense plant.
  • EXPOSURE: LIGHT SHADE OR MORNING SUN IN SUMMER.
  • FROST TOLERANCE: Tender, it needs frost protection. Recommended MINIMUM TEMPERATURE is 8 °C or EVEN ABOVE. Protect from frost.
  • REPRODUCTION: There are TWO MAIN WAYS to propagate members of the genus Pelargonium. Plant seeds ANYTIME OF THE YEAR, but a SPRING OR AUTUMN sowing of seeds is USUALLY MOST SUCESSFUL. ROOTING CUTTINGS of stems is another method.
PELARGONIUM COTYLEDONIS (OLD FATHER LIVE FOREVER)
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