Aloe gariepensis Pillans

국표에 없다.

Origin and Habitat: This species is found in fairly large numbers in Namibia and the Northern Cape. Aloe gariepensis is appropriately named because its natural distribution closely follows the Northern Cape Province river Gariep, the Khoisan name for the Orange River.
Type locality: Namibia, near Warmbad.
Altitude: 150 to 800 m above sea level.
Habitat: It grows on both banks of the Orange River, from near the mouth to Kakamas often inside the protection of rock crevices and small bushes or shrubs on steep slopes close to the river in the driest part of its course. In some localities it occurs in small pockets of sandy soil on rocky outcrops. Seeds germinate often in the shade of small nursery plants until strong enough to withstand the harsh conditions of the desert. Mature specimens are very robust and can handle several years of drought. A completely incurved red-coloured rosette is a sign of drought and sun stress and allows Aloe gariepensisSN|616]]SN|723]] to protect its tender growth tip. When whether return favourable, the rosette opens again allowing active growth. The eastern form of this species is much more robust than the type. It is locally abundant and therefore not threatened. Flowers are pollinated by sugar birds as well as winged and crawling insects. Other succulent plants found in this area comprises: Aloe melanacanthaSN|616]]SN|12205]], Aloe clavifloraSN|35308]]SN|14425]], Aloe falcata, Aloe pearsoniiSN|14425]]SN|35308]], Aloe dichotomaSN|12205]]SN|616]], Aloe dichotomaSN|723]]SN|616]] subsp. ramosissima, Aloe arenicola, Tylecodon paniculatusSN|33415]]SN|33415]], Cyphostemma juttaeSN|11031]]SN|11031]] and Cotyledon orbiculataSN|492]]SN|492]].

Common Names include:

ENGLISH: Gariep aloe
AFRIKAANS (Afrikaans): Gariepaalwyn

Description: Aloe gariepensisSN|694]]SN|723]] is a small to moderate sized rosette-forming succulent with characteristic white striped leaves. In stressed times (cold, drought) plant can become a fire red in colouration.

Habit: Aloe gariepensisSN|723]]SN|723]] is usually solitary, but groups are not uncommon, and vary in size, from small and stemless to larger, up to 1 m high, with a short erect stem. It form a dense rosette of sword-shaped leaves that often curve inward, especially during hot and dry conditions.
Leaves: Lanceolate, triangular, slender, circularly arranged around the base of the plant, flattish and curved upright 25-50 cm long, 50-90 cm wide, pale green, dull green or reddish brown, with or without linear white spots running longitudinally on both sides when young, and prominent, ornamental stripes when older. Margins horny with stiff reddish-brown triangular teeth 2–3 mm long.
Inflorescence: Racemes, 3 to 5 simultaneously from the same rosette, simple, very dense, cylindric to conical, 80-120 cm tall. Peduncle with narrow, stiff sterile bracts 17-26 mm long, 6-8 mm broad, 5-7-nerved. The floral bracts hide the young buds almost entirely. The racemes are yellow to greenish-yellow, or sometime the buds are red and the open flowers yellow, giving an attractive bicoloured effect.
Flowers: Simple, usually yellow both in bud and at flowering, rarely brick-red, 16-27 mm long; pedicels 12-20 mm long, lengthening to about 25 mm in fruit. Anthers exerted 1-5 mm. Ovary 4-5 mm long, 1,5-2 mm in diameter, green; style exerted 3-6 mm.
Blooming season: In mid-winter to early spring appear the unbranched inflorescences and flower open in pring (July to September in southern hemisphere)

Aloe gariepensis (llifle.com)

 

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