Pittosporaceae
Alternative names: Not Applicable
Description:
Trees, shrubs or climbers with flexuose or decumbent branches, occasionally spinescent; leaves alternate or fascicled, simple, entire or toothed, exstipulate.
Flowers solitary, racemose or cymose, occasionally paniculate, bisexual, regular, rarely irregular; sepals 5, imbricate or valvate, free or connate at the base; petals 5, imbricate, clawed, free or more or less connate at the base of forming a tube, spreading at the apex; stamens 5, free, connate at the base or adnate to the petals, alternating with the petals; anthers 2-locular, dehiscing by apical pores or longitudinal slits; ovary superior, 2-5-celled, with parietal or axile placentas; style simple; ovules several to numerous.
Fruit a loculicidally dehiscing capsule or berry.
Distribution:
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8 genera, all found in Australia, and about 250 species; 6 genera are endemic to Australia, Hymenosporum occurs in New Guinea and Australia and the largest genus, Pittosporum, occurs in Africa, south-east Asia, Australia and the Pacific Islands.
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Biology:
No text
Key to Genera:
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1. Anthers linear, sagittate, equal in length to the filaments |
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2. Flowers irregular; anthers free, turned to 1 side |
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CHEIRANTHERA 3. |
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2. Flowers regular; anthers cohering by apical tips when young, symmetrically arranged |
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SOLLYA 5. |
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1. Anthers ovate, much shorter than the filaments |
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3. Petals spreading from the base; ovary and capsule distinctly stipitate |
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BURSARIA 2. |
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3. Petals united at the base, or united into a tube with the tips of the petals spreading; ovary and capsule sessile or shortly stipitate |
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4. Shrubs or trees; fruit a coriaceous or woody capsule |
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PITTOSPORUM 4. |
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4. Climbers or small shrubs; fruit a membranous or slightly coriaceous capsule or berry |
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BILLARDIERA 1. |
Author:
Prepared by E. M. Bennett
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