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Adromischus rupicola is a small clumping succulent and relatively slow
growing .
Older plants develop a massive caudex or large swollen area near the
ground.
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Description: Succulent herbaceous perennial rosette of few flat
leaves, up to 10 cm. It is a compact and relatively slow growing plant.
Stems: Stout very short, prostrate, with sparse branching. Older
plants develop a massive caudex or large swollen area near the ground.
Root: It has a large tuberous rootstock.
Leaves: Broad, almost round,
orbicular or obovate 6 cm long by 4 cm wide, which mimic fat kidney
shaped pillows, they are gray green richly blotched dark chocolate to
brown and along the horny margins, the edge there is a silvery line.
Flowers: Flowers sessile, pale yellow green with pinkish or red
tips.
Fruit: Fruit a dry many seeded follicle.
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Family: Crassulaceae (Stonecrop
Family)
Scientific name: Adromischus
rupicola C. A. Smith,
In: Bothalia, 3. 642., 1939
Section: Incisilobati
Origin: South Africa mountains south of Little Karoo (Mpumalanga,
Worcester east to Uniondale)
Habitat: Widespread on rocky ridges from
the dry, nominally summer-rainfall interior areas.
Conservation status: Listed in
CITES appendix 2.
Common Names include: Calico hearts plant, bontplakkie
Synonyms:
- Adromischus maculatus (Salm-Dyck)
Lem.
- Cotyledon maculatus
Lemaire,
In: Jard. Fleur. 2. Misc. 60, 1852
- Adromiscus trigynus
(Burch.) Poelln.
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Since this species has highly variable in leaf
markings and colour, it is worth collecting many forms.
Cultivation:
They prefer well-drained soil in a partially shaded position and require
a minimum temperature 5°C (But hardy down to -7°C for short periods),
with good drainage and dryness in winter to resist the cold. Let the
soil dry between soaking, in the wild, it receives rain mostly in spring
and fall. Must have very dry atmosphere. They are vulnerable to
mealybugs
and rarely
scale. It
is prone to rotting from the tuberous base or from dried inflorescences.
As the plant matures, the centre becomes bare. When it does, restart it
from side cuttings and throw away the central part.
Propagation:
Usually propagate from single leaves (leaf
cuttings)
or stem cuttings seed propagation is rarely used.
Twist off a leaf and permit it to dry out a couple of days, lay
it on the soil and insert the stem end partially into the soil. The
original leaf should not be removed until it has dried up. Try to keep
the leaf somewhat upright so that the roots are able to grow downward.
If grown in a container, bottom watering by immersing the container is
recommended.
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Cultivation
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