Tas. 8788. 
IPOMOEA DASYSPERMA. 
Tropical Asia and A rica, 
CoNVOLVULACEAR, Tribe CoNVOLVULEAR, 
Ipomona, Linn. ; Benth. et Hook. f. Gen. Plant. vol. ii. p. 870. 
Ipomoea dasysperma, Jacq. Hclog. vol. i. p. 132, t. 89; Choisy in Mém. Soc. 
Phys. Genév. vol. vi. p. 472 ef in DC. Prodr. vol. ix. p. 386; Hasskarl, 
Retzia, pugillus 1, p. 70; C. B. Clarke in Hook. f. Fl. Brit. Ind. vol. iv. 
p. 215; Hallier f. in Engl. Jahrb. vol. xviii. p. 148; Trimen, Handb. Fl. 
Ceylon, vol. iii. p. 225; Boerlage, Handl. Fl. Ned. Ind. vol. ii. p. 512; 
Baker & Wright in Dyer, Fl. Cap. vol. iv. sect. 2, p. 67, in nota; Baker & 
Rendle in Dyer, Fl. Trop, Afr. vol. iv. sect. 2, p. 179; species I. palmatae, 
Forsk., valde affinis, sed foliis saepissime 7-lobatis, sepalis exterioribus 
plus minusve saccatis vel calcaratis, limbo corollae stramineo vel sulfureo 
luteo differt. 
Herba ut videtur annua, glaberrima. Caules volubiles, usque ad 2 m. alti vel 
ultra, gracillimi, simplices vel paulum ramosi, interdum tuberculati. 
Folia petiolata, ambitu late cordato-ovata, 3°5-10 cm. longa et lata, 
trisecta, segmentis primariis basi plus minusve angustatis, segmento 
terminali tripartito ceteris bi- vel tripartitis, interdum pedata; lobi lanceo- 
lati, acuti vel acuminati, integerrimi, 1°5-8 cm. longi, *5-1°75 cm. lati; 
petiolus 2-5 cm. longus, interdum in axilla rudimentis foliorum stipulis 
simulantibus praeditus. Peduwnculi axillares, 3-4 cm. longi, 1-8 (raro 4)- 
flori, bracteis minutis paucis instructi. Sepala 5, elliptica, apice rotun- 
data, 7-10 mm. longa, 5-6 mm. lata, margine membranacea, exterioria 
basi 1- vel 2-sacculata vel calcarata. Corolla hypocrateriformis, glabra ; 
tubus 2°5-3°5 cm. longus, prope medium 8-10 mm, latus, basi constrictus, 
pallide (fauce vivide) purpureus; limbus planus, leviter pentagonus, usque 
ad 7 vel 10 cm. latus, stramineus vel sulfureo-luteus, vittis 5 viridescentibus 
ornatus. Stamina 5; filamenta basi pilosa; antherae oblongae. Ovariwmn 
subglobosum, glabrum, basi disco crassiusculo angusto circumdatum ; stylus 
filiformis inclusus, staminibus longior, stigmate bilobato.- Capsula globosa, 
glabra, circiter 1 cm. diametro, bilocularis. Semina in utroque loculo 2, 
subtrigona, circiter 6 mm. longa lataque, dense villosa, interdum in angulis 
duobus exterioribus pilis longis instructa.—I. pedata, Voigt, Hort. Suburb. 
Cale. p. 360, I. twberculata, [Ker-Gawl. in] Bot. Reg. t. 86; non Roem. 
et Schult. JI. odontosepala, Baker in Kew Bull. 1894, p. 73; Baker & 
Rendle in Dyer, Fl. Trop. Afr. vol. iv. sect. 2,ip. 180. I. calearata, N. E. 
— Brown in Dyer, Fl. Trop. Afr. vol. iv. sect. 2, p. 180, and in Kew Bull. 1909, 
_  -p. 124. Convolvulus pedatus, Roxb. Hort. Beng. p. 14, et Fl. Ind., ed. 
Carey, vol. i. (1832), p. 478. C. dasyspermus, Spreng. Syst. vol. i. p. 591. 
Calonyction trichospermwm, var. diversifoliwm, Choisy in DC. Predr. 
vol. ix. p. 346. C. diversifolium, var. sulfurewm, E. Morr. in Belg. Hort. 
1857, p. 225, eum ic. col.; Van Houtte in Fl. des Serres, sér. 2, vol. iii. 
p- 67, t. 1328.—S. A. Sxan. . : 
* 
JANUARY-Marcn, 1919. 
