Family: Celastraceae
Stackhousia
Citation:
Smith Trans. Linn. Soc. 4:218 (1798).
Derivation: After John Stackhouse, author of works on the algal genus Fucus in the British Isles and on botanical illustrations of Theophrastus.
Synonymy: Not Applicable Common name: None
Description:
Flowers arranged singly along the rhachis; bract 1 at each node of the inflorescence; bracteoles 2, at the base of the pedicel, conspicuous, bract-like, or reduced to membranous hyalescent vestiges. (Species 1-4)
Distribution:
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About 18 species; 1 in New Zealand and 17 in Australia, of which 1 extends to Micronesia. Candles (probably Group A only).
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Biology:
Not Applicable
Key to Species:
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1. Flowers arranged singly along the rhachis; bracts and bracteoles at each main node in the inflorescence 1-3 (Group A) |
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2. Leaves spathulate, rounded to obtuse at the apex; cocci prominently winged |
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S. spathulata 4. |
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2. Leaves obovate to linear or lanceolate, acute; cocci sculptured but not conspicuously winged |
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3. Annual; ovary with 3-5 carpels; corolla tube 3.5-5.2 mm long |
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S. annua 1. |
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3. Perennial; ovary with 3 rarely 5 carpels; corolla tube 5-8 mm long |
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4. Bract without a swollen base, subtending 2 conspicuous green bracteoles on either side of the base of the pedicel |
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S. aspericocca 2. |
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4. Bract with a saccate base, subtending 2 inconspicuous membranous hyaline often reduced vestiges of the bracteoles at the base of the pedicel |
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S. monogyna 3. |
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1. Flowers in clusters of 1-6 spaced along the rhachis; bracts and bracteoles at each main node in the infiorescence 3-12 or more (Group B) |
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5. Corolla tube stout; cocci prominently winged |
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S. megaloptera 6. |
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5. Corolla tube slender; cocci sculptured, not winged |
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6. Cocci usually 1, curved-obovoid, with the basal cavity shallow to deep, its thin rim extending distally along the mid-line exposing a narrow band of endocarp; leaves, at least the upper ones, usually scale-like, sometimes linear to narrow-elliptic |
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S. clementii 5. |
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6. Cocci 1-3, pyriform to dumb-bell-shaped, with the basal cavity deep, circular, not extended as above; leaves conspicuousthroughout the plant, usually linear |
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S. muricata 7. |
Author:
Not yet available
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