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White Seringa
Kirkia acuminata
SA tree no: 267
English: White Syringa, Bastard Marula, Wild Syringa
Afrikaans: Witsering, Bastermaroela
Zulu: umVumayila
Ndebele: uMvumila
N. Sotho: Modumela
Tsonga: Nsimane
Tswana: Modema
Venda: Mutovhuma
Synonyms: Kirkia acuminata var. serrata, Kirkia dekindtiana
Kirkia acuminata, commonly known as White Syringa or Witsering, is a truly eye-catching, medium to large deciduous tree. It stands out with its pale, smooth bark that often peels in large flakes, revealing yellow patches underneath, giving it a mottled appearance. Its distinctive feature is its long, pinnate leaves that are arranged spirally around the branches and turn a beautiful range of yellow to dark red colours in autumn before falling. While its flowers are small and greenish-yellow, they develop into attractive reddish-brown, woody capsules.
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Distinguishing features:
Deciduous tree, shedding leaves in winter.
Pale, smooth bark, often peeling in large flakes to reveal yellowish patches.
Distinctive long, pinnate leaves (compound, feather-like).
Leaves turn bright yellow to dark red in autumn before falling.
Flowers are small, greenish-yellow.
Fruits are reddish-brown, woody capsules, splitting into four valves.
Overall appearance:
Kirkia acuminata is a graceful, medium to large deciduous tree, striking in its autumn colours. It has a rounded crown and a distinctive mottled bark, giving it an attractive appearance throughout the year.
Height:
Typically 5 m to 12 m tall, but can reach up to 18 m.
Leaves:
Large, up to 600 mm long.
Pinnate (feather-like, with leaflets arranged along a central stalk).
Composed of 8 to 15 pairs of leaflets plus a terminal one.
Leaflets are oblong to ovate-lanceolate (oval to spear-shaped).
Leaflets are up to 100 mm long and 35 mm wide.
Arranged spirally around the branches.
Turn bright yellow to dark red in autumn before falling.
Flowers:
Small.
Greenish-yellow.
Borne in slender, branched clusters (axillary panicles) about 100 mm long.
Flowering season:
October to December (early summer).
Fruits:
Woody, oblong capsules.
About 10 mm long.
Reddish-brown when ripe.
Split into four valves (sections) to release seeds.
Bark:
Pale, smooth.
Often peels in large, papery flakes, revealing yellowish patches beneath.
This peeling gives the trunk a mottled or blotchy appearance.
Wood:
Fairly soft but tough.
Fine-grained, light yellowish-brown.
Soil type:
Prefers well-drained, sandy soils, often found in rocky areas.
Aspect:
Prefers full sun. Frost-sensitive when young, but more tolerant when mature. Drought-resistant.
Uses:
Horticultural: An attractive shade tree for gardens and parks, especially valued for its spectacular autumn foliage. Suitable for larger gardens due to its size.
Timber: The wood is fairly soft but tough, used for furniture, household utensils, and dugout canoes.
Traditional: Wood is used for local carvings and implements.
Ecology:
Deciduous nature: Sheds leaves in winter, a common adaptation to cold or dry seasons, allowing it to conserve water.
Habitat: Grows on rocky outcrops, stony hillsides, and often on deep sand in bushveld, lowveld, and mopane veld.
Wildlife: While not explicitly detailed, deciduous trees provide seasonal changes in habitat and food sources for various animals.
Distribution and habitat:
Not endemic to South Africa. Widespread in tropical Africa, occurring in countries like Botswana, Zimbabwe, Namibia, Malawi, Mozambique, and Tanzania.
In South Africa, it is found in the Limpopo, Mpumalanga, and North West provinces.
Grows in bushveld, lowveld, and mopane veld, often in rocky areas and on deep sand.
Derivation of name:
The genus name Kirkia honours Sir John Kirk (1832–1922), a Scottish physician, naturalist, and explorer who accompanied David Livingstone on his Zambezi expedition.
The species name acuminata is Latin for 'acuminate', meaning 'tapering to a long point', referring to the shape of its leaflets.
Common names like "Bastard Marula" refer to its resemblance to the Marula tree (Sclerocarya birrea) but being a different species. "White Syringa" refers to its lighter wood and different family from the true Syringa.
Historical aspects:
No specific detailed historical aspects found, but its widespread use for timber and traditional implements in its native range suggests a long history of human interaction.
Interesting facts:
The White Syringa is like a tree that loves to show off its age – its pale bark peels off in big flakes, revealing yellow patches underneath, creating a cool, mottled look!
This tree is a true artist in autumn! Its long, feather-like leaves turn from green to brilliant yellows and even dark reds before they fall, putting on a spectacular show before winter.
Even though its flowers are tiny, they lead to these neat reddish-brown, woody capsules that actually split into four sections – a pretty clever way to release its seeds!
Despite being called "Bastard Marula," it's not actually related to the famous Marula tree, but it shares a similar robust, African tree vibe!
Growing tips:
Planting location: Kirkia acuminata is an excellent choice for larger gardens, parks, or as a focal point in a landscape, especially where its autumn colours can be appreciated. It prefers full sun.
Soil and watering: It thrives in well-drained, sandy soils, often found in rocky areas. It's drought-resistant once established, but regular watering when young will help it grow faster.
Frost: It is sensitive to frost when young, so provide protection if you are in a frosty area. Mature trees become more tolerant.
Propagation: Can be grown from seed or truncheons (large cuttings). Seeds: Sow fresh seeds. Germination can be slow and sporadic. Truncheons: Large branch cuttings can be taken and planted directly, particularly in warmer, wetter months.
This plant is a fantastic alternative for:
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