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Xanthorrhoea (/ z æ n θ oʊ ˈ r iː ə / [2]) is a genus of about 30 species of succulent flowering plants in the family Asphodelaceae.They are endemic to Australia. Common names for the plants include grasstree, grass gum-tree (for resin-yielding species), kangaroo tail, balga (Western Australia), yakka (South Australia), yamina (), and black boy (or "blackboy").
Xanthorrhoea australis, the grass tree or austral grasstree, [1] is an Australian plant. It is the most commonly seen species of the genus Xanthorrhoea. Its trunk can grow up to several metres tall and is often branched. In certain Aboriginal languages, it is called bukkup, baggup or kawee. [1]
A typical mature tree 30–50 m tall has a root system that extends horizontally in all directions as far as the tree is tall or more, but well over 95% of the roots are in the top 50 cm depth of soil. A few plants with fibrous root systems: Coconut palm [1] Grass; Rosemary; Fibrous roots grow fairly close to the surface of the ground.
Stilt roots – From upright (erect) trunks, some hard, thick, almost straight roots come-out obliquely and penetrate the ground. Thus they act like a camera-tripod. They increase balance and support as well as, when these roots penetrates the ground, they increase soil grip. Root-Buttress or Plank Buttress or Buttress-Root – Climbing roots –
The pattern of branching in a tree will vary from species to species, as will the appearance of a plant as a tree, herb, or grass. Fourthly, plant morphology examines the pattern of development , the process by which structures originate and mature as a plant grows.
It looks best in a naturalized woodland setting, beneath shrubs and trees. They can easily become overrun by competing perennials , so plant them near other well-behaved clumping plants such as ...
Yucca is a genus of perennial shrubs and trees in the family Asparagaceae, subfamily Agavoideae. [2] Its 40–50 species are notable for their rosettes of evergreen, tough, sword-shaped leaves and large terminal panicles of white or whitish flowers.
The stems spread horizontally above ground or just below the surface of the duff layer. The erect shoots each contain two or more branches near the base. Branches are more likely ascending to spreading, forked and tree-like, and mostly are arranged on the same plane, fan-like.