Pages

Friday, October 3, 2014

Globba schomburgkii


Globba schomburgkii Hook.f.
Family: Zingiberaceae
Common name: Dancing Girl Ginger
Chinese: 双翅舞花姜

Plants 30-60 cm tall, rhizome conical, small, 1 x 0.5 cm, light yellowish to grey inside, with many white, fusiform root tubers 4 x 0.5 cm in size; roots many, thick, fleshy; stem slender, fleshy, slightly swollen near the rhizome; lower vegetative bracts purple, lower one third fused and upper two third open; solitary bulbils at each node, opposite to the attachment of the leaves. Leaves 6-8, upper surface glabrous, lower surface minutely pubescent; upper leaves larger, green, 15-20 x 4-5 cm, oblong lanceolate, tip acuminate, shortly petioled, 0.4 cm, ligulate, ligule short, membraneous 0.2 cm, tripartite, minutely pubescent. Lower leaves smaller, ovate, 3 x 2 cm, upper surface green, lower surface purple. Inflorescence terminal, 8-10 cm, decurved, peduncle slender, green, short, bracts many, lax, spreading, persistent, glabrous; lower bracts green, large, ca 1 x 0.8 cm, broadly ovate, smaller towards the apex, each subtending on or more spherical bulbils; upper bracts fertile, smaller, ca 0.6 x 0.6 cm; ovate, light orange, turning to light green when mature, each bract subtends a cincinni of 4-5 flowers of small stalks, the lower ones 1. cm long to the first flower, bearing a succession of 4-5 flowers in two ranks on very short pedicels, altogether 3-4 cm long. Secondary bracts 0.3-0.6 x 0.2-0.4 cm, orange. Calyx truncate, 0.4-0.6cm, shortly 3 lobed, lobes unequal, orange yellow glabrous. Corolla tube longer than the calyx, 1.5 cm long, hairy, recurved, orange, lobes ovate, cup shaped, 0.4 cm, glabrous. Staminodes longer than the corolla lobes, 1.2 x 0.3 cm, tip slightly curved upwards, orange, glabrous. Lip 1. 0.4 cm, triangular glabrous, with divergent lobes, which hardly reach the attachment of the petals, orange, with a reddish patch at the centre. Filaments 2.5 cm long, upcurved, anther small, the pollen sacs parallel bearing two spreading and somewhat divergent, narrowly triangular appendages on each side. Ovary 0.2 cm, rugose, unilocular with 3 parietal placentae, several ovules on each placenta; style long filiform, stigma cup shaped, slightly exerted from the anther lobes. Epigynous gland one, linear 0.3 cm long. Fruiting rare, rugose. 

2 Published articles of Globba schomburgkii
1. Essential Oil Composition of Globba schomburgkii Hook. f. and Globba ophioglossa Wight
Raj, Gopan; George, Varughese; Dan, Mathew; et al.
JOURNAL OF ESSENTIAL OIL RESEARCH  Volume: 22   Issue: 3   Pages: 220-222   Published: MAY-JUN 2010

2. Globba schomburgkii Hook. f.: A new record for India
BANERJEE, R. N.
BULL BOT SURV INDIA  Volume: 8   Issue: (3/4)   Pages: 359-361   Published: 1966

No comments:

Post a Comment