Liane with slender stems and branches, climbing over shrubs and small trees; branchlets very slender, grooved, ± pubescent, becoming glab. Lvs 3-foliolate, subcoriac. to submembr., glab., on petioles up to 5 cm. or more long; petiolules ± pubescent, c. 1-2 cm. long. Lflts 2-3·5 cm. long, pinnate below, pinnatisect to pinnatifid above; pinnae up to 1·5 cm. long, rarely more, rather deeply lobed, obtuse, us. apiculate. Infl. of solitary fl. or few-fld panicles on peduncles up to 6 cm. long. Bracts linear-entire or lobed, 6-25 mm. long, often foliaceous; pedicels ± pubescent. ♂ up to 3 cm. diam.; sepals 5-8, ± silky-hairy, white or very pale yellow, c.2 cm. long, ovate-oblong, obtuse. Stamens several; anthers linear-oblong, c.2 mm. long. ♀ sepals pale yellow, smaller; achenes 3-4 mm. long, fusiform to ovoid, dark reddish brown, margins thickened, pubescent when young, becoming glab.

Lflts pinnate, on petiolules c. 5-10 mm. long; pinnae up to 1 cm. long, again pinnate to pinnatifid; lobes obtuse, up to 4 mm. long. Fls mainly solitary in axils, on peduncles up to 2 cm. long; sepals of ♀ more silky; bracts 3-4 mm. long, linear-subulate; achenes glab. when mature.

Liane of lower stature and more slender habit than C. paniculata; branchlets grooved, glab. Lvs 3-foliolate, on rather slender petioles c. 4-6 cm. long. Lflts on slender petiolules c. 1·5-2 cm. long; bright green, thinly coriac., glab., 3-8 × 1-4·5 cm., narrow- to broad-ovate, obtuse to acute or subacuminate, cordate at base, crenate or crenately lobed, lobes often apiculate. Subfloral lvs smaller, often entire or sub-entire. Infl. axillary, us. ample, the peduncles simple or branched, ± pubescent, up to 10 cm. long; bracts narrow-ovate, acute to acuminate. Fls fragrant. ♂ c. 3-4 cm. diam.; sepals white, 5-8, narrow-ovate to narrow-oblong, glabrate to ± pubescent without; 2-2.5 cm. × 5-8 mm. Stamens ∞, filaments c.1 cm. long; anthers narrow-oblong, c. 3 mm. long. ♀ smaller, sepals 5-8, elliptic to narrow-ovate, c. 1·5-2 cm. × 5 mm., ± pubescent without. Stamens us. abortive. Achenes c. 3 mm. long; pubescent, becoming glab.; style plumose, c. 3 cm. long.

Liane with slender stems and branches, climbing over shrubs and small trees or scrambling over rocks; branchlets finely grooved, glab. (or ± pubescent when young). Lvs 3-6-foliolate, on petioles c. 2- 4 cm. long, ovate; lflts truncate at base, crenately to crenate-serrately toothed or lobed, glab., 1-2-(3) cm. × 5-15-(20) mm. Infl. of solitary or few fls in axils, on peduncles up to 3 cm. long; bracts narrow-ovate, acute, 1-3 mm. long. ♂ up to 3 cm. diam., often less; sepals 5-8, ± pubescent-pilose, greenish to pale yellow, ovate-oblong; stamens ∞; anthers 1-1·5 mm. long, narrow-oblong. ♀ smaller, sepals us. more pubescent; achenes pilose, becoming glab., ovoid to elliptic, margins thickened; 3-4 mm. long; styles up to 3 cm. long.

Lvs 6-foliolate; lflts 2-3-lobed, on very slender petiolules; laminae up to 7 × 7 mm. (sts rather larger on lower branchlets). Lobes up to 4 mm. long, ovate to obovate, obtuse, us. apiculate. Fls solitary or few in axils, on peduncles c. 2 cm. long, pubescent-pilose; bracts c. 3 mm. long, pubescent-pilose, ovate-oblong, subacute. Achenes densely pubescent-pilose, ovoid, c. 2 mm. long; styles c. 2 cm. long.

2n = 16

2n = 16

2n = 16

Evergreen woody liane, usually climbing Over shrubs or small trees; dioecious. Stems up to 5 m long, 5-10 mm diam., ribbed and sparsely hairy when young, glabrous when mature, ascending or spreading. Leaves 3- foliolate, thin to coriaceous, green to grey-green. Leaflets 14-55 × 9-28 mm, simple to pinnate; simple leaflets lanceolate, broadly ovate or deltoid, entire, crenate, serrate or deeply pinnatifid to bipinnatisect; pinnae linear-oblong to broadly ovate; apices of leaflets, pinnae, crenations and serrations apiculate; bases attenuate to truncate, sometimes slightly cordate; petioles and petiolules 10-60 mm long, channelled, glabrous to sparsely hairy, twin- ing. Inflorescences axillary; flowers solitary, or 2- 10 clustered in leaf axils, or in dichasia1 cymes of 5-10; flowers unisexual, 10-45 mm diam. Pedicels 25-95 mm long, moderately to densely hairy; bracts 3-13(-18) × 14(-8) mm, inserted about middle of pedicel, usually linear to elliptic, occasionally broadly elliptic, connate, abaxial and adaxial surfaces ± glabrous to moderately hairy, apex acute to obtuse. Male flowers: sepals 5-6, 10.0-25.0 × 3.0- 13.0 mm, narrowly to broadly elliptic, lanceolate or ovate, cream, often flushed red-brown at base, abaxial and adaxial surfaces with moderate to dense pilose or villous hairs, rarely glabrous on the adaxial surface, apex subacute to obtuse; stamens 20-37; filaments 3-1 1 mm long, c. 0.9 mm wide, glabrous, linear, often tapering noticeably toward apex; anthers 2.4-3.5 mm long, 0.4-0.5 mm wide, linear-oblong, cream; receptacle 0.6-2.2 mm high, 1.4-2.2 mm wide, ± glabrous to moderately hairy; carpelodes absent. Female flowers: sepals 54(-7), 13.0-25.0 × 3.8-7.0 mm, narrowly elliptic to broadly elliptic, lanceolate to ovate, cream, often flushed red at base, abaxial and adaxial surfaces with moderate to dense pilose or villous hairs, apex subacute to obtuse; car- pels 35-48; ovary 0.5 × 0.2 mm, densely hairy; style 4-5 mm long; pappus hairs 5-6 mm long, dense, white, ascending; stigma 0.4-2.5 mm long, curved, papillate on adaxial surface, abaxial surface smooth; receptacle 1.8-2.3 mm high, 1.2-1.5 mm wide, moderately hairy; staminodes 1-6, in outer whorl; filaments 3.4-5.2 mm long: anthers c. I mm long, malformed, barren. Achenes 3.0-4.0 mm long, 1.4- 1.5 mm wide, 0.6-0.8 mm thick, sparsely to moderately hairy, dark brown to light brown, rarely red-brown; style 8-20 mm long, Pappus hairs spreading. FL SepMar; FT Oct-Apr.

Leaflets coriaceous, glabrous, pinnate below, pinnatisect to pinnatifid above. Infl. a solitary fl. or few-flowered cyme. Sepals white or very pale yellow, ovate-oblong, ± silky hairy.

Leaflets thinly coriaceous, glabrous, crenate or crenately lobed. Infl. usually ample. Sepals white, narrow-ovate to narrow-oblong, glabrate to ± pubescent beneath.

Evergreen woody climber. Lvs glabrous or sparsely hairy beneath, or rarely the youngest sparsely hairy, 3-foliolate, 3-10-(16) × (3)-4-8-(14) cm; leaflets coriaceous, very variable in shape and lobing, from lanceolate to broadly ovate, entire to crenate to deeply pinnatifid to 2-pinnatisect to pinnate; petiole (1)-2-5-(7) cm long. Fls unisexual, solitary or 2-4-(6) clustered in lf axils or in dichasial cymes of up to 6. Bracts paired, connate, usually inserted about or below middle of pedicel. ♂ fls: sepals (5)-6-(8), imbricate, pale yellow, greenish yellow or rarely greenish white, glabrous or sparsely silky hairy above, silky hairy to hairy beneath, lanceolate to ovate to narrow-oblong, 10-20-(30) × 2-8 mm; anthers 2-3 mm long; filaments glabrous. ♀ fls: sepals similar to ♂, 10-20-(25) × 3-6-(10) mm; staminodes few. Achenes hairy or glabrous, (2)-3-4-(5) mm long. Style (1)-2-3.5 cm long at fruiting.

Leaflets coriaceous, glabrous, crenately to crenate-serrately lobed or toothed. Infl. a solitary fl. or a few-flowered axillary cluster. Sepals greenish to pale yellow, ovate-oblong, ± hairy.