126 



ASCLEPIADE^E. XXIII. HOYA. 



6 H. PARVIFLORA (Wight, contrib. ind. bot. p. 37.) twining, 

 glabrous ; branches slender ; leaves fleshy, lanceolate, tapering 

 at both ends ; peduncles slender, about equal in length to the 

 leaves, many-flowered ; corolla glabrous ; leaflets of corona 

 broad obovate, emarginate, or obcordate, with the inner angles 

 acuminated, and lying upon the stigma, which is apiculated. f? . 

 ^. S. Native of the Burman Empire, at Maulmeyne. Hoya, 

 Wall. ascl. no. 33. 



Small-flowered Hoya. Shrub tw. 



* * Leaflets of corona flattish above, ovate or lanceolate. 



1 H. FU'SCA (Wall. pi. rar. asiat. 2. p. 78. t. 175.) twining, 

 glabrous ; leaves coriaceous, hardly fleshy, linear-oblong, acu- 

 minated, transversely veined ; peduncles short, many-flowered ; 

 corolla glabrous, with obtuse segments ; leaflets of corona ovate, 

 obtuse : with the inner angles erect and attenuated, lying upon 

 the stigma, which is apiculated. Fj . r ^. S. Native of Nipaul 

 and Silhet. The flowers are rather small, brownish coloured, 

 and very numerous. Leaves 5-6 inches long, and 1 or \\ 

 broad. 



Tfrott'n-flowered Hoya. Shrub tw. 



8 H. HOOKERIA'NA (Wfght, contrib. ind. bot. p. 37.) twining, 

 glabrous ; leaves fleshy, oblong- lanceolate, 3-nerved ; pedun- 

 cles short, many-flowered ; corollas small, glabrous, with obtuse 

 segments ; leaflets of corona ovate, acute, with the inner angles 

 short ; stigma obtuse. 1? . l ~*. S. Native of Chittagong and 

 Silhet. H. Nicobdrica, R. Br. mss. is this or a very similar 

 species. Leaves 6-10 inches long, and 1 or 1 broad. 



Hooker's Hoya. Shrub tw. 



9 H. NICOBA'RICA (R. Br. herb, ex Trail, in hort. trans. 7. p. 

 29.) umbels globose ; flowers very numerous ; leaves ovate-lan- 

 ceolate. T? . / "\ S. Native of the Nicobar Islands. 



Nicobar Hoya. Shrub tw. 



10 H. PARAsincA (Wall. ascl. no. 29. Wight, and Arnott, 1. 

 c.) plant parasitical, climbing, radicant, glabrous ; branches 

 slender, terete ; leaves fleshy, glabrous, shining, finely 3-nerved 

 at the base, oblong-lanceolate, attenuated ; peduncles almost 

 twice as short as the leaves, many-flowered, sometimes twin ; 

 umbels sub-globose ; corolla glabrous, deeply 5-cleft ; leaflets 

 of corona ovate, acute, with the inner angles lying upon the 

 stigma. fy . ^. S. Native in the woods of Sundabund, at the 

 estuary of the Ganges. Asclepias parasitica, Roxb. fl. ind. 2. 

 p. 42. and mus. ind. orient, t. 1382. H. pallida, Lindl. bot. 

 reg. t. 951. H. acuta, Haw. rev. p. 4. H. lanceolata, Lindl. 

 in Donn. hort. cantab. ed. 11. p 92. H. albens, Mill, brist. 

 cat. 1826. Flowers fragrant, yellow; corona paler than the 

 rest of the flower, purple in the centre. Leaves paler beneath, 

 and darker above. 



Parasitical Hoya. Shrub tw. 



1 1 H. TRINE'RVIS (Trail, in hort. trans. 7. p. 26.) stems slen- 

 der, filiform ; leaves variable in size, oblong, sharply acumi- 

 nated, pale green beneath, and mottled with small brown spots, 

 light yellowish green above, with 3 prominent veins : um- 

 bels globose ; segments of corolla sharp-pointed ; the sides 

 and ends of which are reflexed. ^ . *"\ S. Native of China. 

 Lodd. bot. cab. 936. Corollas pale greenish yellow, slightly 

 scented, frequently mottled beneath with red. Corona of a pale 

 greenish white, with a yellowish tinge in the centre. 



Three-nerved-le-dved Hoya. Fl. July, Aug. Clt. 1824. 

 Shrub tw. 



12 H. OVALIFOLIA (Wight, and Arnott, contrib. ind. bot. p. 

 37.) twining, radicant, glabrous ; leaves fleshy, oval, acuminated 

 at both ends ; peduncles shorter than the leaves, many-flowered ; 

 corolla downy inside; segments ovate, acute ; leaflets of corona 

 oval, obtuse, with the inner angles short ; stigma mutic. T; . ^\ 

 S. Native of the Neelghery mountains, and Singapore. Hoya, 



Wight, cat. no. 1522. Wall. ascl. no. 31, 43,? and 45. This 

 is very nearly allied to H. parasitica. 

 Oval-leaved Hoya. Shrub tw. 



13 H. ARNOTTIA'NA (Wight, contrib. ind. bot. p. 37.) twining, 

 glabrous, radicant ; leaves fleshy, broad-ovate, acuminated ; co- 

 rolla downy inside : with orbicular, cuspidate segments ; leaflets 

 of corona oval, somewhat acuminated, with the inner angles 

 short ; stigma mutic. 1? . r> . S. Native of Nipaul. Hoya, 

 Wall. ascl. no. 35. 



Arnott' s Hoya. Shrub twining. 



14 H. GYMNANTHERA (Wight, 1. c.) leafless ; epidermis of 

 stem smooth and shining ; umbels many-flowered, on short pe- 

 duncles ; flowers small ; leaflets of corona ovate ; tops of anthers 

 membranous, pellucid, very narrow, hardly touching the pollen 

 masses, ^ . r \ S. Native of the East Indies. Wall.ascl.no. 

 145, without a name. 



Naked-anthered Hoya. Shrub tw. 



* * * Leaflets of corona convex above, oval, or ovate, nit/t 

 revolute edges. 



15 H. BRUNONIA'NA (Wight, 1. c.") twining, glabrous ; branches 

 obsoletely tetragonal ; leaves fleshy, oval-oblong, acuminated ; 

 corolla rather fleshy, glabrous outside, bearded inside ; leaflets 

 of corona oval, acute, convex above, with revolute edges. I? . 

 ^. S. Native of the East Indies. Hoya, Wall. ascl. no. 37. 



Brown's Hoya. Shrub twining. 



16 H. CARNOSA (R. Br. in wern. soc. mem. 1. p. 27.) twining, 

 glabrous ; stems and branches terete ; leaves fleshy, oval-oblong, 

 acuminated ; umbels pendulous, on short peduncles ; pedicels 

 pilosely pubescent ; corolla fleshy, glabrous outside, but bearded 

 inside; leaflets of corona ovate, acute, drawn out at top, convex 

 above, with revolute edges ; membranes of anthers rather large, 

 hiding the stigma, which is bluntly apiculated ; pollen masses 

 pellucidlymarginateononeside. I?.*"*. S. Native of China, about 

 Canton, as well as the tropical part of Asia. Asclepias carnosa, 

 Lin. suppl. 1. p. 170. Sirns, bot. mag. 788. Smith, exot. bot. 

 2. p. 21. t. 70. Stapelia Chinensis, Lour. coch. p. 165. Scholiia, 

 crassifolia, Jacq. eclog. no. 2. Schollia carn6sa, Schrank. ex 

 Steudel, nom. Flowers white, or pinkish, waxy as in the other 

 species of the genus, and are much admired. 



Fleshy, or Common Hoya. Fl. Jul. Aug. Clt. 1802. Sh. tw. 



17 H. POTSII (Trail, in hort. trans. 7. p. 25. t. 1.) stems 

 slender, greenish brown, unequally covered with warts ; leaves 

 cordate, acuminated, with a rusty stain partly spread over them, 

 pale whitish beneath, light yellowish green above, with 3 princi- 

 pal veins; umbels globose. F? . / "\ S. Native about Macao. 

 Flowers pale yellow, slightly downy, smelling like Heliotrbpium. 

 Corona slightly purple in the centre. 



Pots' s Hoya. Fl. Ju. Aug. Clt. 1822. Shrub tw. 



18 H. AUSTRA'LIS (R. Br. mss. ex hort. trans. 7. p. 27.) 

 leaves from elliptic to obovate ; corollas bearded ; leaflets of 

 corona furrowed beneath. Jj . / "\ S. Native of New Holland, 

 within the tropic. Hoya carnosa, R. Br. prod. p. 460. Flowers 

 white, or pinkish. 



Southern Hoya. Clt. 1820, Shrub twining. 



19 H. CRASSIFOLIA (Haw. suppl. pi. succ. p. 8. exclusive of 

 the synon.) leaves petiolate, obovate, obsoletely spotted, bluntly 

 acuminated, very thick. \i . / '\ S. Native of the East Indies. 

 Leaves 4 inches long, dark green above, and pale beneath. Very 

 like H. carnosa, but the leaves are thicker, more obsoletely 

 spotted. Branches warted, producing roots from the warts. 

 Flowers unknown. 



Thick-leaved Hoya. Fl. ? Clt. 1817. Shrub tw. 



20 H. LANCEOLA'TA (Wall, ex D. Don, prod. fl. nep. p. 130. 

 Wall. ascl. no. 36.) twining, glabrous ; stems slender, leafy ; 

 leaves fleshy, lanceolate, acuminated at both ends ; peduncles 



