Characters | +
+ |
+B. stenophylla | +|||
---|---|---|---|---|---|
Plant height | +to 30 cm | +To about 42 cm | +|||
Petiole | +7.5 cm | +10–18 cm | +|||
Leaf apex | +Acuminate | +Slightly acuminate | +|||
Bracts | +2.7 cm, linear elliptic, pubescent | +4 × 4.5 cm, cymbiform, glabrous | +|||
Calyx | +2 - lobed, pubescent | +3 - lobed, glabrous | +|||
Labellum | +Yellow band from base in the centre spreading towards apex, faint red at base and dark red bands bordering the yellow band, obovate, 1.2 × 0.8 cm | +White with yellow centre, flabelliform, 2.5 × 2 cm | +|||
Lateral corolla lobe | +White, 1 × 0.25 cm | +Pale yellow, 1.5 × 0.4 cm, | +
Characters | +
+ |
+B. burttiana | +|||
---|---|---|---|---|---|
Ligule | +Absent | +0.55 cm, acuminate, reddish, glabrous | +|||
Petiole | +4 cm, green, grooved | +1.0–1.8 cm, green, without winged | +|||
Lamina | +Upper surface dark green | +Upper surface light green | +|||
Leaf size | +11.5 × 5.5 cm | +12–20 × 1.5–3 cm | +|||
Leaf base | +Obtuse | +Attenuate | +|||
Leaf apex | +Acute | +Slightly acuminate | +|||
Bracts | +2.4 cm long, white, narrowly ovate, almost translucent | +4 cm long, cymbiform | +|||
Labellum | +Yellow band from base in the middle, spreading to almost entire surface near apex with lighter yellow laterally, red bands from 2 / 3 of the centre yellow band towards side, 1.1 × 0.8 cm | +White, with yellow in the centre, pink at the base, 2.5 × 2 cm | +|||
Lateral corolla lobe | +Glabrous, white, 1.2 × 0.2 cm, emarginated, white with link pink ad yellowish at base, light pink patches towards lip | +Slightly pubescent, pale yellow, 1.5 × 0.8 cm | +|||
Anther | +reddish, pubescent | +White, glabrous | +|||
Anther dehiscence | +Pore | +Slit | +|||
Stigma | +Truncate | +Rounded | +
Characters | +
+ |
+B. variegata | +|||
---|---|---|---|---|---|
Ligule length | +1 mm | +2–3 mm | +|||
Lamina | +Unequal ovate, upper surface undulating ranging from green to dark green | +Elliptic, upper surface dark green with a lighter band along the midrib, sometimes variegated variegation extends to the lateral veins | +|||
Leaf size (cm) | +8.6 × 5.5 cm | +7–12 × 2.5–7 cm | +|||
Leaf base | +Cordate | +Rounded or subcordate | +|||
Leaf apex | +Acute | +Subacute | +|||
Bracts | +1.6 cm long, linear to narrowly ovate, glabrous | +0.6–0.8 cm long, ovate, acute, pubescent | +|||
Labellum | +With light yellow at base, darker yellow spreading towards lip, obovate, curved-forward, 0.7 × 0.4 cm | +Cream with a deep yellow spot in the centre and a deep red spot at the base, elliptic, 1.0 × 0.7 cm | +|||
Lateral corolla lobe | +Glabrous, 0.7 cm long | +Densely pubescent, 2 cm long | +|||
Anther dehiscence | +Pore | +Slit | +