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CXXXVII. ZINGIBERACE..E. [Geostachys.<br />
(I) G. deCun'da Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 158;<br />
Mat. ii. 45. Alpinia decurvata Bak. in Hook. fil. F.B.I. vi. 257.<br />
Stems 4 to 5 ft. tall. Leaves narrow lanceolate acuminate, 18 in.<br />
long, 1'5 in. wide; petioles'5 in. long. Leaves 12 to 14 in. long, with<br />
long dry lanceolate sheaths at base. Spikes secund distant lanceolate,<br />
I in. long on peduncles '5 in. long. Flowers 2 in a spike.<br />
Corolla-lobes lanceolate blunt, '5 in. long, buff. Lip I in. long,<br />
obcuneate oblong buff. Anther-crest small, round. Capsule<br />
elongate dark red. Hab. Forests at 3000 ft. altitude. Perak,<br />
Thaiping Hills (Kunstler).<br />
(2) G. secunda Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 158; Mat.<br />
ii. 44. AJpinia secunda Bak. in Hook. fil. F.B.I. vi. 257.<br />
Stems 18 in. tall. Leaves about 4, elliptic-Ianceolate cuspidate,<br />
base narrow, I ft. long, 3 in. wide; petioles 1'5 in. long. Scapes<br />
decurved, 4 in. long; flower spikes numerous secund; peduncles'5<br />
in. long. Flowers 2 in a spike, yellowish. Bracts pubescent.<br />
Calyx '25 in. long. Corolla tube shorter, lobes '5 in. long. Lip<br />
oblong, obtuse longer. Anther crestless. Capsule '5 in. long,<br />
dark red. Hab. Mountains on rocks at 3000 to 4000 ft. altitude.<br />
Perak, Gunong Batu Putih (Kunstler); Bujong Malacca.<br />
(3) G. rupestris Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 157;<br />
Mat. ii. 45.<br />
Rhizome woody, stout. Leaves broad lanceolate cuspidate, 8 in.<br />
long, 1'5 in. wide; petioles short. Scapes decurved secund, 3 in.<br />
long. Spikes I in. long. Calyx spathaceous, pink, limb ovate<br />
cuspidate, '5 in. long. Corolla tube slender shorter, lobes oblong<br />
lanceolate, yellow. Lip obovate yellow with red marks. Anthercrest<br />
small rounded. Hab. Mountains on rocks at 4000 ft. altitude.<br />
Pahang, Gunong Tahan. Kedah Peak (Ridley).<br />
(4) G. densiflora Ridl.<br />
Rhizome stout woody. Stem over I ft. tall. Leaves narrow<br />
lanceolate, narrowed to base, 16 to 18 in. long, 1'5 in. wide; petioles<br />
'5 to I in. long, slender; ligules narrow, '5 in. long. Scape 4 in. long.<br />
Rachis and peduncles hairy. Spikes '75 in. long, 2-flowered. Calyx<br />
pink spathaceous long-cuspidate. Corolla lobes linear-oblong, pink.<br />
Lip obovate-oblong, buff, '75 in. long. Anther-crest large round.<br />
Capsule sub-globose red. Hab. Local at 4000 ft. altitude. Perak,<br />
Gunong Kerbau (Robinson).<br />
(5) G. penangensis Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 159.<br />
Stem about 18 in. tall. Leaves narrow lanceolate acuminate both<br />
ends, I ft. long, I to 1'5 in. wide; petioles '25 in. long. Scapes<br />
deflexed second, 3 in. long. Bracts slightly pubescent. Spikes·6<br />
in. long including 2 flowers; peduncles'I in. long. Calyx'5 in. long.<br />
Corolla tube shorter, red, lobes '5 in. long. Lip nearly I in. long,<br />
. 5 in. across, trilobed, side-lobes short, midlobe obovate ochre yellow.<br />
Anther crestless. Hab. Very local. Penang Hill. Abundant at<br />
2000 ft. altitude on banks (Curtis).
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