Botanical Description for this Species
For illustrations or explanation of terminology, click on the linked plant part or column header.
Descriptions used for plant identification key are shown in BOLD. Plant Part | General | Color | Hairs | Texture | Shape | Length | Width |
Rhizome |
|
|
|
|
| 0 to 0 cm | 0 to 0 cm |
Sheath |
|
| glabrous to densely minutely puberulous
| | | 0 to 0 cm | 5 to 10 mm |
Ligule |
| | glabrous to densely minutely puberulous
| |
| 1 to 2 mm | 0 to 0 mm |
Petiole |
|
| glabrous to densely minutely puberulous
| |
| 1 to 5 mm | 0 to 0 mm |
Leaf |
| | |
| narrowly elliptic to narrowly obovate | 10 to 20 cm | 2 to 6 cm |
...upper | |
| glabrous to densely minutely puberulous
|
|
|
|
|
...under | |
| glabrous to densely minutely puberulous
| | | | |
...base | |
| |
| cuneate to rounded, rarely cordate
| |
|
...apex | | | | | acuminate
| 5 to 15 mm | |
Inflorescence | terminal on a leafy stem, elongating to 8 cm when in fruit
| |
|
| broadly ovoid
| 3 to 5 cm | 0 to 0 cm |
Bract | not imbricate 5-12 mm long, callus 2-7 mm long, yellow | green
| glabrous to densely minutely puberulous
| herbaceous to chartaceous
| triangular, often mucronate | 1.5 to 2.2 cm | 0.5 to 1.2 cm |
Appendage | appendage not found on bract | |
|
| | 0.0 to 0.0 cm | 0.0 to 0.0 cm |
Bracteole |
| green
| glabrous to densely minutely puberulous
| herbaceous to chartaceous | tubular, split deeply on abaxial side
| 1.3 to 1.9 cm | 0.0 to 0.0 cm |
Flower | | white | |
|
| 0 to 0 cm | 0 to 0 cm |
Calyx | lobes subulate, calyx tube often deeply splirt by the flowerbud during anthesis. | green | glabrous to densely minutely puberulous
| herbaceous to chartaceous
|
| 2.5 to 3.2 cm | 0.0 to 0.0 cm |
Corolla | tube 20 mm long | creamy white | densely puberulous to villose
|
|
| 5.0 to 6.0 cm | 0.0 to 0.0 cm |
Labellum | margins densely fimbriate
| creamy white
|
|
| broadly angular-obovate
| 0.0 to 3.5 cm | 0.0 to 4.0 cm |
Stamen | basal part of labellum and stamen joined in a 20 mm tube, stigma cup shaped
| creamy white |
| |
| 0.0 to 0.0 cm | 0.0 to 0.0 cm |