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Origin and Habitat: Huernia pendulaSN|28329]]SN|28329]] is a South African endemics species restricted to river gorges in the Transkei, Eastern Cape (Bolo and along the Mbashe River, and at Collywobbles).
Habitat and Ecology: Huernia pendulaSN|28329]]SN|28329]] occurs in the Eastern Valley Bushveld of the Savanna Biome Savanna in pockets of soil and leaf-litter which gather on ledges on cliffs, or on rock outcrops, usually on north- or east-facing aspects. This rocky habitats harbour a rich succulent flora comprising: Cotyledon woodii, Gasteria excelsaSN|35333]]SN|35333]], Haworthia glabrataSN|16834]]SN|31601]], Haworthia cymbiformis var. setuliferaSN|31601]]SN|16834]], Cotyledon orbiculata, Bulbine natalensis and Bulbine thomasiae. In its inaccessible habitat it is safe from the impacts of livestock trampling and grazing, the main threat in this area. Summers are hot with cooler winters (frost absent). Rainfall occurs mainly in summer (thunder showers), ranging from 300 – 800 mm per annum.
Synonyms:
- Huernia pendula E.A.Bruce
ENGLISH: Bootlace huernia, Bootlace
AFRIKAANS (Afrikaans): Skoenveter-aasblom
XHOSA (isiXhosa): Imitya
Description: Huernia pendulaSN|28329]]SN|28329]] is a very peculiar species that differs from all others Huernias in its growth-form, it has irregularly branched shoots that lean back, creep, or hang down from cliffs and can reach a length of 45 to 150 cm. The small, bell-shaped purple flowers with triangular lobes appear from spring to midsummer. The species epithet 'pendula' (Latin) pertains to the pendent growth of the stems (and flowers too). Huernia pendulaSN|28329]]SN|28329]] is one of the easiest to grow stapeliads and not shy to flower. Its common name is Bootlace.
Stems: Green to reddish (inthe dry season), sometimes purplish-mottled, becoming greyish green, succulent, leafless, more or less cylindrical or bluntly quadrangular, pendulous from rock faces, on level ground first erect, then curved, rooting when in contact with soil, to 90 (-150) cm long, 5-8 mm across, branches jointed (articulated) at nodes, often spreading at right angles. Tubercles small, acute; base of L rudiments sterile, tuberculate.
Inflorescece (cymes): Subsessile on short lateral peduncles (less than 8 mm long) 1–4 flowered with flowers opening in rapid succession or two together.
Flowers : Small bell-shaped, deep maroon- red, pendulous with scent of decaying meat and mainly pollinated by flies. Sepals 3-4 mm long. Corolla outside purple, inside dark maroon, 14-22 mm in diameter, bowl-shaped. Coralla lobes erect or slightly spreading, revolute, inside densely papillose, papillae dark maroon, 0.2 mm in diameer, mucronate up to 5-7 mm wide, 5-6 mm long. Corona approx 3 mm. Outer corona black-maroon, disc-shaped, 3 - 3.5 mm in diameter, crenate, weakly conical. Inner corona dark maroon, lobes approx 1.5 mm, tongue-shaped, apically obtuse. Pollinia yellowish.
Fruit: Typical twin seed horns (follicles), fusiform (spindle-shaped), acute and often don't appear until a year later, when opening release many seeds, each attached to its own parachute (pappus) and dispersed by wind.
Bibliography: Major refrerences and further lectures
2) Doreen Court “Succulent Flora of Southern Africa” CRC Press, 01/Jun/2000
3) Focke Albers, Ulrich Meve “Illustrated Handbook of Succulent Plants: Asclepiadaceae: Asclepiadaceae” Volume 4 Springer, 2002
4) James Cullen, Sabina G. Knees, H. Suzanne Cubey “The European Garden Flora Flowering Plants: A Manual for the Identification of Plants Cultivated in Europe, Both Out-of-Doors and Under Glass” Cambridge University Press, 11/Aug/2011
5) Bruyns, P.V. “Stapeliads of southern Africa and Madagascar.” Vol. 1. Umdaus Press, Hatfield. 2005
6) Peter Goldblatt “Cape Plants: A Conspectus of the Cape Flora of South Africa” National Botanical Institute of South Africa, 2000
7) Werner Rauh “The Wonderful World of Succulents: Cultivation and Description of Selected Succulent Plants Other Than Cacti” Smithsonian Institution Press, 1984
8) Luckhoff “The Stapelieae of Southern Africa” Capetown, A.A. Balkema 1952
9) White & Sloane “The Stapelieae” edn 2. 3: 879-882, 1170-1176 1937
10) Bruce, E.A. “Huernia pendula.” The Flowering Plants of Africa 28: t. 1108.1951.
11) Gunn, M. & Codd, L.E. “Botanical exploration of southern Africa.” Balkema, Cape Town. 1981
12) Leistner, O.A. (ed.). “Seed plants of southern Africa : families and genera.” Strelitzia 10. National Botanical Institute, Pretoria. 2000
13) Mucina, L. & Rutherford, M.C. (eds) “The vegetation of South Africa, Lesotho and Swaziland.” Strelitzia 19. South African National Biodiversity Institute. Pretoria.2006.
14) Pilbeam, J. “Stapeliads.” The British Cactus & Succulent Society. 2010
15) Van Jaarsveld, E.J. “Waterwise gardening in South Africa and Namibia.” Struik Cape Town. 2010
![29181 carolina Carolina González](photos/Huernia_pendula_29181_m.jpg)
Huernia pendula Photo by: Carolina González
![23075 luiza Luiza Ferreira](photos/Huernia_pendula_23075_m.jpg)
Huernia pendula Photo by: Luiza Ferreira
![23076 luiza Luiza Ferreira](photos/Huernia_pendula_23076_m.jpg)
Huernia pendula Photo by: Luiza Ferreira
![23237 luiza Luiza Ferreira](photos/Huernia_pendula_23237_m.jpg)
Huernia pendula Photo by: Luiza Ferreira
![22701 raffa Raffa C. Garcia](photos/Huernia_pendula_22701_m.jpg)
Huernia pendula Photo by: Raffa C. Garcia
The gallery now contains thousands of pictures, however it is possible to do even more. We are, of course, seeking photos of species not yet shown in the gallery but not only that, we are also looking for better pictures than those already present. Read More...
Cultivation and Propagation: Huernia pendulaSN|28329]]SN|28329]] is very easy to grow (one of the easiest stapeliad species to grow), it needs light shade for best results (but tolerate full sun and shadow), very resistant to heat will also tolerate quite cold temperatures but avoid frost, best in a ventilated environment. It is used mainly as a pot plant or occasionally grown out-of-doors in rockeries. It is ideal for steep embankments, hanging baskets or rockeries.
Spring: When winter ends and they begin to grow again, they will require much water and soaking the pots will no longer put the plants at risk for rot. In the spring they will grow well in partial shade and leaving them out in the rain may provide them with the water they need.
Summer: In the summer months they will tolerate heavy rain, but will be just as happy if the season is dry. It's best to sort out the stems while the plants are resting in the summer before they begin their autumnal growth cycle. They will tolerate very hot weather outdoors as long as they are kept in filtered light and this will encourage them to flower in the Autumn. They also enjoy some fertiliser. Moving the plants as they are developing buds may cause them to spontaneously abort the flowers all together.
Autumn: In the fall keep them outdoors until the night time temperatures drop below the 5°C.
Winter: Winter care presents no problems at 5°-10° C with plenty of light. As soon as they are flowered be sure to take extra precautions to keep them dry, because damp cool conditions when the plants are resting is an invitation to fungal infections, but - according to temperatures –some occasional lit watering may be useful.
Potting medium: Since roots are quite shallow, use a cactus mix or add extra perlite or pumice to regular soil potting soil. A gritty, very free-draining compost is suitable, and clay pots help the plants to dry out between watering. When grown as a pot plant re-pot annually or every other years in fresh soil at the end of the resting season (early spring)..
Pest and diseases: Huernia are generally fairly easy to grow, especially if kept pest-free. They are very susceptible to stem and root mealy bugs, and damage from these may well initiate fungal attack. Any time when there is a dead or dying stem in the pot it is important to remove it immediately and completely before other healthy stems can become ill too, isolate the healthy parts, dry them off, and re-root them in new compost. It is quite resistant to the “Balck spot” disease of Asclepiads.
Propagation: Easiest with stem cuttings. Allow cuttings to dry a day before planting. Stems must be laid (Not buried) on gritty compost and will then root from the underside of the stems. It can also be increased from seeds sowing in spring in moist, sandy peat moss. Barely cover seeds. Seeds germinate quickly.
In any season it's best to lay the stems out for several days before replanting them and then pot them only in dry soil and withhold any water until they begin to shrivel or start growing again.
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