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Flora of Australia Online

CUPANIOPSIS

S.T.Reynolds

Cupaniopsis Radlk., Sitzungsber. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. München 9: 498, 584 (1879); from Cupania named after Italian monk Francesco Cupani (1657–1710) author of Sicilian Plants , and from the Greek -opsis (resemblance) referring to close relationship to Cupania

T: Cupaniopsis anacardioides (A.Rich.) Radlk.

Monoecious or dioecious trees. Branchlets lenticellate, indumentum of simple hairs. Leaves paripinnate; leaflets opposite or alternate, entire to serrate. Inflorescences axillary, raceme-like or panicle-like. Flowers regular, small. Calyx 5-lobed, lobes 2-seriate, imbricate, outer lobes smaller, suborbicular or elliptic, concave. Petals 5, sessile; scales 2, oblong, hairy, crestless. Disc annular, crenate. Stamens 6–10; filaments filiform, pilose in lower half; anthers glabrous. Ovary usually 3-locular; ovule 1 per locule; style short, persistent. Fruit obovoid to subglobose, usually cuspidate, 3-lobed, 3-locular, loculicidally dehiscent; valves slightly fleshy, villous inside. Seed ellipsoidal; aril thin, cupular with erose margin, usually nearly enclosing seed. 

A genus of c. 66 species in New Guinea, New Caledonia, Fiji and Australia; the Flora of Australia publication listed 11 species in Australia, all endemic. The Australian Plant Census lists 15 species. 

Cupaniopsis is distinguished by the insides of the subglobose or obovoid capsules being villous, the cupular aril nearly enclosing the seed and the sepals being usually silky outside.

K.Domin, Biblioth. Bot. 89: 349 (1927); L.A.T.Radlkofer, Pflanzenr. 98: 1177–1208 (1933); S.T.Reynolds, Austrobaileya 2: 44–52 (1984).

1 Leaflets cuneate, truncate, lobed or toothed at apex; uppermost pair the largest

2

1: Leaflets obovate, elliptic or oblong-ovate, obtuse, truncate, retuse or acuminate; uppermost pair usually same size as others

3

2 Leaflets serrate, 3–5 pairs; inflorescence spike-like

shirleyana

2: Leaflets entire, 1 or 2 pairs; inflorescence raceme-like

wadsworthii

3 Domatia present

4

3: Domatia absent

6

4 Leaflets crenate-serrulate or subentire, acuminate or acute

foveolata

4: Leaflets entire, obtuse or retuse

5

5 Domatia inconspicuous, usually along whole midrib; branchlets usually densely lenticellate

dallachyi

5: Domatia prominent, 1–5 per leaflet; branchlets sparsely lenticellate

fleckeri

6 Leaflets entire, usually glabrous; flowers and fruits pedicellate

7

6: Leaflets serrate, serrulate or almost entire; usually hairy at least on nerves; flowers and fruits sessile or subsessile

8

7 Lateral nerves 6–20 mm apart; leaflets and panicles usually more than 7 cm long

anacardioides

7: Lateral nerves 2–5 mm apart; leaflets and panicles less than 7 cm long

parvifolia

8 Leaflets glabrous or lower surface puberulous especially on midrib and nerves

9

8: Leaflets hairy especially below on midrib and nerves

11

9 Leaflets usually 3–5 pairs, tapering, acuminate, or cuspidate, serrate; inflorescence 1–6.5 cm long, rarely branched

serrata

9: Leaflets usually 6–12 pairs, apex serrulate to almost entire; inflorescence to 55 cm, branches usually nearly as long

10

10 Petiole 8–16 cm long; leaflets usually 8–12 pairs; panicles to 21 cm long, the branches short and spreading or long and pendulous; small unbranched trees

newmanii

10: Petiole 3.5–9 cm long; leaflets usually 6–10 pairs; panicles to 55 cm long, the branches usually long, pendulous; tree with spreading crown

flagelliformis

11 Leaflets 3 or 4 pairs, serrulate, sinuate or subentire; branches of panicle patent, to 5.5 cm longlonglonglonglong

tomentella

11: Leaflets 6–10 pairs, serrate or serrulate; branches of panicle pendulous to 60 cm long

flagelliformis

12 Not treated as accepted in the published Flora of Australia treatment

baileyana

12 Published since the Flora of Australia treatment

cooperorum

12 Published since the Flora of Australia treatment

diploglottoides

12 Published since the Flora of Australia treatment

simulata

 

Data derived from Flora of Australia Volume 25 (1985), a product of ABRS, ©Commonwealth of Australia