1706 



ISOLOMA 



ISONANDRA 



Isoloma (or Kohleria). When this plant, which is 

 apparently the best known garden form, is taken over 

 into Isoloma, it would naturally become I. pictum; but 

 the plant first regularly given the name pictum under 

 Isoloma is /. pictum of Planchon, 1850-51 (and Regel, 

 1854), which is founded on the Gesneria picta of Hooker 



1997. Isoloma bogotense. ( X l /i) 



(1849), and this is a very different plant from the 

 cultivated Achimenes. (or Tydsea) picta, and the latter 

 must take a new name; and it assumes the name given 

 it by Nicholson in 1888, /. bogotense. 



bogotense, Nichols. (Achimenes picta, Benth., B.M. 

 4126, 1844. Tydsea picta, Decne., R.H. 1848:468. 

 Kohleria bogotensis, Fritsch, in Engler & Prantl, Nat. 

 Pflanzenf. IV. 36, 178, 1893. Isoloma Tydsea, Bailey, 

 Cyclo. Amer. Hort. 836, 1900. Isoloma pictum, Hort., 

 not Planch.). Fig. 1997. One to 2 ft., hairy: Ivs. cor- 

 date-ovate, coarsely serrate, spotted and reticulated 

 with pale green or silvery green, with a broad light zone 

 down the center: fls. single, on long axillary sts., nod- 

 ding, the orifice oblique and lobes obtuse, the upper 

 longitudinal half of the fl. red, the lower half yellow 

 and red-spotted. Colombia. B.M. 4126 (adapted in 

 Fig. 1997). B.R. 31:42. F.S. 1:17, 18. /. pictum, 

 Planch., F.S. 6:586 (Gesneria picta, Hook. B.M. 4431), 

 is a different plant, apparently not in commerce. 



amabile, Mott. (Tydsea amdbilis, Planch. & Lind.)- 

 Erect, hairy: Ivs. ovate, more or less tapering to the 

 petiole, bluntly serrate, purplish on the veins: fls. 

 hairy, pendent, dark rose dotted with purple, paler 

 inside. Colombia. B.M. 4999. R.H. 1859, p. 25. F.S. 

 10:1070. 



hirs&tum, Hort. Fig. 1998. Erect, hirsute on st. and 

 Ivs., free-flowering: Ivs. ovate, acute, prominently 

 petioled, close-toothed: fls. several on an axillary 

 peduncle, hirsute, orange-scarlet, the rounded lobes 

 darker-marked. Origin not clear. To be compared with 

 the next. 



erianthum, Decne. (Gesneria eridntha, Benth. Brachy- 

 Ibma eridnthum, Hanst. Kohleria eridntha, Hanst.). 

 Erect, 2-4 ft., the sts. and Ivs. more or less fleshy and 

 soft-hairy: Ivs. long-petioled, ovate-lanceolate, den- 

 tate: fls. several on a peduncle, 1^-2 in. long, orange- 

 red or cinnabar-red, the lobes rounded and the 3 lower 

 spotted. Colombia. B.M. 7907. 



Cecfliae, Nichols. (Tydsea Cecilise, Andre). Much like 

 /. amabile, but Ivs. marked with violet and silvery 

 zones or blotches: fls. 2 or 3 from each axil, the fls. pale 

 rose outside and striped in the throat, and the limb pur- 

 ple-spotted. Colombia. I.H. 23:260. 



ocellatum, Benth. & Hook. (Achimenes ocellata, 

 Hook). Short-hairy on the st. : Ivs. ovate-acuminate, 

 serrate, green: fls. small, on peduncles shorter than the 

 Ivs., the tube and short, rounded lobes red, the segms. 

 marked with whitish and black spots. Panama. B.M. 

 4359. 



jaliscanum, Wats. Fig. 1999. Herbaceous or some- 

 what woody at the base, 1 ft., pubescent: Ivs. opposite, 

 oblong-lanceolate to ovate-lanceolate to ovate, short- 

 acuminate, short-stalked, serrate: fls. 2-4 on an axillary 

 peduncle, the corolla an inch long, tubular and short- 

 lobed, pubescent, scarlet. Mex. A worthy plant, 

 probably not in the trade. , jj g 



ISONANDRA (Greek, equal anthers). Sapotacess. 

 Isonandra Gutta ( = Palaquium Gutta, Burck.). is a 

 large-leaved East Indian tree belonging to this genus, 

 which furnishes the best commercial gutta-percha. 

 The name has appeared in one southern catalogue, 

 but the plants were found to be not true to name. 

 This plant should be called Palaquium Gutta. In Pala- 

 quium the floral parts are in sixes, stamens twelve and 

 the seeds have no albumen, while in Isonandra the floral 

 parts are in fours, the stamens eight, and the seeds 

 albuminous. 



Gutta, Hook, (properly Palaqumm Gutta, Burck.) 

 One of the GUTTA-PERCHA TREES. Lvs. leathery, 

 elliptic, abruptly pointed, 4 in. or more long, rusty- 

 tomentose beneath, the primary nerves 24-30 on each 

 side: fls. in axillary clusters on very short pedicels, 

 the corolla 2/6in. long and with 6 elliptic obtuse 



1998. Isoloma hirsutum. ( X H) 



