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Acmadenia trigona

   (Family: Rutaceae)
Afrikaans: Boegoe English: Buchu  EDIT
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Plant Type: EDIT  Shrub
Height: 0.3 - 0.7m
Special properties:
  Drought Resistant (heavy)
  Frost Tolerant (light)
Rarity Status:
Preferred rainfall: Winter
Preferred altitude: 300 - 700m
Preferred position:
Full Sun
Tolerated soil:  
  Sand (coarse texture, drains easily)
Biome: Fynbos
Flowering time EDIT
    x x x x x x x x x  
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flower colours
  Insects, bees and butterflies
  Flower info
  Deep pink flowers, 10-15 mm in diameter. Flowers are borne in terminal clusters (4-8 flowers) or are solitary at the tips of the stems and in the axils of the highest leaves. Each of the flower's five petals has a noticeable dark pink nectar guide leading to the centre of the flower.
Leaf shape EDIT
  Leaf scent
Leaf size 1 - 15mm
  Leaf info EDIT
  The needle-like leaves are green, erect, 8-15 x 1-1.5 mm, with oil glands.
Fruit type EDIT
  Seeds per fruit 1
Seed colour
  Seed info EDIT
  The fruit is a capsule with 5 chambers, and each carpel contains one black shiny seed. The seed is 3-5 x 1.8 mm and ripens in November to December.
Description EDIT
An attractive round shrub with pink, star-shaped flowers borne at the tips of the branches.
It is a single stem at the base, branches are brown, smooth, hairless and leaf scars are visible. The younger branches are reddish.
Growing EDIT
Requires full sun and well-drained, alkaline to acid soil. Before planting, prepare the garden bed by digging over the soil, adding compost and a slow-release fertilizer.

Plant during autumn, winter and spring.
The rainy season allows buchus to establish themselves in the garden and to cope with drought and less water during summer. Once established, they will withstand a fair amount of frost. Plants can be maintained in the garden for several years and are pruned once the bush becomes untidy.

Propagate by sowing seed and by taking cuttings.

The optimum time for sowing is during autumn. Clean seeds and sow on a prepared medium of sand and compost in equal parts in a seed tray. Cover seeds with a thin layer of bark and water. Place seed trays in a covered area with good light and ventilation. Keep seed trays damp and germination will take place within one to two months. Prick out seedlings when four true leaves have developed. Take care not to damage the fine roots. Harden off the seedlings in shade for 3 to 4 weeks before placing them in the sun. Pinch out the growing tips of seedlings to encourage bushy growth. Feed buchus regularly with a balanced nutrient.
Distribution EDIT
North-facing, dry, rocky, lower slopes of the Langeberg Mountains.
History EDIT
Acmadenia trigona is an attractive evergreen shrub suitable for fynbos or water-wise gardens.
Ecology EDIT
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