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1 cm long) elliptic-linear to linear leaf blade (up to 1
Type: Thailand, Curtis 3252 (lectotype K)
cm wide) with the hooded and acute apex, broadly
This taxon is placed among the K. galanga group, triangular ligule (about 1 mm long), and the obovate
plants with 2-3 flat, near-the-ground leaves and inflo- anther crest with rounded or crenate apex. The flow-
rescences produced in the innermost leaf-sheaths. ers of this taxon are violet with the obovate staminodes
However, K. glauca Ridl. can be differentiated from and the lip divided to the base (each lobe obovate).
other species of the same group by its glacous leaves, This species is distributed in northeastern Thai-
inflorescence with hairy peduncle and violet flowers, land (Ubonratchathani and Amnat Charoen provinces)
obovate-cuneate to suborbicular lateral staminodes, and southern Laos (Champasak Province). It can be
suborbicular labellum (divided to the base) with white found in open areas and in paddy fields. It is used by
blotch near the base, large violet recurved reniform the local people for medicinal purposes.
anther crest, and the hairy calyx tube and ovary.
This species is distributed in Thailand and Laos. 11. K. marginata Carey ex Roscoe, Monandr. Pl.
Scitam.t. 93. 1824; Horan. Monogr.: 21. 1862; Bak. in
9. K. laotica Gagnep. in Bull. Soc. Bot Fr. 54: 166. Hook., Fl. Br. Ind. 6: 219. 1894; Schum. in Engl.,
1907; Gagnep. in Lecomte, Fl. Gén. I.-C. 6: 51. 1908; Pflanzenr. 4(46), 20 Heft: 78. 1904; Sirirugsa in Nord.
Sirirugsa in Nord. J. Bot. 9: 259. 1989 & in Thai For. J. Bot. 9: 259. 1989 & in Thai For. Bull. (Bot.) 19: 10.
Bull. (Bot.) 19: 14. 1992. 1992; T.L.Wu & K.Larsen in Z.L.Wu & PH. Raven, Fl.
China 24: 370. 2000.
Type: Laos, Xiang-kouang, Spire 309 (holotype P)
Type: Myanmar, Tenasserim, Carey no. ? (lectotype
This taxon is also in the K. galanga group, plants
K)
usually with two flat, near-the-ground leaves and in-
florescences produced in the innermost leaf-sheaths. This species resembles and may be conspecific
It differs from K. elegans Wall. ex Baker and K. glauca to K. galanga L. However, the major differences of
Ridl. by its sessile inflorescences and glabrous calyx both taxa are the color of the leaf margin and color of
tubes and ovaries. However, it is similar to K. the labellum. The leaf margin of K. marginata Carey
roscoeana Wall., but differs in the following charac- is purple in color, while that of K. galanga L. is green.
ters: the lower leaf surface is hairy and the anther The labellum of the former is purple, sometimes with
crest rectangular with the entire or emarginate apex longitudinal white bands near the margin, whereas
(compared with the leaves, both sides are glabrous that of the latter is white with a purple marking at
and the anther crest is small, ovate keeled with the the base.
entire apex). The flower of this species is white with This taxon is distributed in a range from India,
obovate-cuneate staminodes and deeply divided obo- Myanmar, China, Thailand, Laos and Cambodia. In
vate lips with purple blotch at the center. Thailand, it can be often seen in open areas, paddy
This species is distributed in evergreen forests fields, or evergreen forests in the northern, northeast-
in northeastern Thailand and in Laos. ern, and upper southern regions of the country. It is
also used by the local people for food and medicine.
10. K. larsenii Sirirugsa in Nord. J. Bot. 9: 257. 1989.
Fig. 1 H-P & in Thai For. Bull. (Bot.) 19: 14. 1992. 12. K. parviflora Wall. ex Baker. in Hook., Fl. Br. Ind.
6: 221. 1894; Schum. in Engl., Pflanzenr. 4(46), 20 Heft:
Type: Thailand, Ubonratchathani, Nilviset 19 (holo-
78. 1904; Sirirugsa in Nord. J. Bot. 9: 259. 1989 & in
type C, isotype BKF)
Thai For. Bull. (Bot.) 19: 6-7. 1992.
This species can be placed in the K. galanga L. Type: Myanmar, Bank of the Attran River, Wallich
group. It can be differentiated by its petiolated (about 6587 (lectotype K)