探検植物

Australian Blackthorn

bursaria spinosa

Australian Blackthorn (Bursaria spinosa) is a hardy, woody shrub or small tree native to eastern and southern Australia. Known for its thorny branches and sweet, jasmine-scented white flowers, this resilient plant plays a vital ecological role in dry sclerophyll forests and grassy woodlands. During mid-summer, it erupts in a sea of creamy-white blooms, earning it the alternative name 'Christmas Bush' in southern regions. This dramatic flowering event acts as an insect magnet, drawing in thousands of native bees, wasps, and butterflies. Beyond its beauty, the dense, prickly structure of Australian Blackthorn provides crucial protective nesting sites for small woodland birds, shielding them from larger predators. Its deep root system and ability to regenerate from a lignotuber make it exceptionally drought-tolerant and a key player in land reclamation and soil stabilization.

生息地: Found in a wide range of dry sclerophyll forests, open woodlands, coastal scrublands, and pastures across eastern and southern Australia.

外見

This species typically grows as an erect, thorny shrub or small tree between 2 to 8 meters tall. It is characterized by small, wedge-shaped to obovate green leaves, up to 2.5 cm long, clustered along fine, rigid branches heavily armed with sharp thorns. In summer, it produces dense, terminal panicles of tiny, five-petaled white flowers that emit a sweet, honey-like fragrance. These flowers are succeeded by distinctive, flattened, heart-shaped or purse-like seed capsules that turn from green to a dry, papery brown when mature.

PlantaeTracheophytaMagnoliopsidaApialesPittosporaceaeBursaria
Australian Blackthorn
Australian Blackthorn

カテゴリ

植物

レア度

Common

危険度

1/5 · 非常に低い

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おもしろい事実

During the colonial era, the sweet fragrance of its mid-summer blooms earned it the local moniker of 'Christmas Bush' in Tasmania and Victoria.

The genus name 'Bursaria' is derived from 'bursa', the Latin word for purse, which refers to the unique shape of its flat, heart-shaped seed pods.

The leaves of the Australian Blackthorn contain a substance called esculin, which was historically extracted and studied for its ability to absorb ultraviolet light.

特殊能力

能力

Lignotuber Regeneration

Possesses a woody underground structure that allows the plant to vigorously resprout after intense bushfires or severe grazing.

能力

Spiny Defensive Armor

Develops sharp, needle-like thorns along its branches to deter large herbivores from feeding on its foliage.

能力

UV-Absorbing Foliage

Produces esculin in its leaves, a natural chemical compound that helps absorb harmful ultraviolet radiation.

サイズと詳細

長さ
200-800 cm
寿命
20-60 年

食性と食事

As a photosynthetic plant, it synthesizes its own food using sunlight, carbon dioxide, water, and soil minerals.

主な食物

  • Sunlight
  • Carbon dioxide
  • Water
  • Soil nutrients

生態系とのつながり

host plant

Eltham Copper Butterfly

Paralucia pyrodiscus lucida

Hosts caterpillars of this endangered butterfly, which feed exclusively on its leaves.

host plant

Imperial Blue Butterfly

Jalmenus evagoras

Caterpillars feed on the foliage of the blackthorn while being attended by mutualistic ants.

mutualism

European Honeybee

Apis mellifera

Feeds on the rich nectar produced by the summer blooms, aiding in cross-pollination.

特徴

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別名

まだ別名はありません。

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安全性

危険度

1/5 · 非常に低い

まだ特別な安全上の注意はありません。

よくある質問

Australian Blackthornを見分けるには?

Australian Blackthornを識別する最も簡単な方法は、Snappit自然識別アプリを使用することです。

Australian Blackthornの長さは何ですか?

200-800 cm

Australian Blackthornの寿命は何ですか?

20-60 年

Australian Blackthornは何を食べますか?

As a photosynthetic plant, it synthesizes its own food using sunlight, carbon dioxide, water, and soil minerals.

Australian Blackthornは通常どこに生息していますか?

Found in a wide range of dry sclerophyll forests, open woodlands, coastal scrublands, and pastures across eastern and southern Australia.

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