756
Bulbophyllum rosemarianum
Family
|
:
|
Orchidaceae
|
Local name
|
:
|
English -
Rosemary Bulb-Leaf
Orchid.
|
Flowering
and fruiting period
|
:
|
January-March
|
Distribution
|
:
|
Western Ghats
|
Distribution
in kerala
|
:
|
Idukki, Wayanad
|
Habitat
|
:
|
On trees in the riverine vegetation and lowland
forests
|
Key
botanical characters:
Epiphytic pseudobulbous herbs with creeping
rhizomes; pseudo bulbs quadrangular, pale yellowish green, arranged distantly
on a thick and wiry rhizome, rooted below and 1-leaved. Leaves erect, oblong,
thick and fleshy, deeply channelled in the middle region, narrowed at the
base, obtuse at apex; petiole short. Inflorescence from the base of pseudo
bulb, pale green, longer than leaf and a short raceme (4-5 cm) of pale yellow
flowers. Dorsal sepal ovate-elliptic, truncate-angulate, 5-veined, acute at
apex, joined only at the central part at base leaving side-margins free;
lateral sepals ovate-elliptic or boat-shaped, 5-veined. Petals broad-based, ovate-aristate,
slightly oblique and erose at margins, gland-dotted and 1-veined. Lip 3-3.5 x
1.5-2 mm, thick, yellow with brown markings, papillose throughout except the
median furrow region, 3-lobed; side lobes represented by 2 auricules,
ovate-oblong, attached to tip of column by a short ligament. Column 2-3 mm
long, thick with 2 erects sharply pointed stelidia that raise above
operculum. Column-foot about 2 mm long bearing lateral sepals on sides and
lip a little below the apex. Operculum 1 x 1 mm, 2-celled, slightly rugose
outside. Pollinia 4 in 2 groups, each one unequally divided. Fruits 2-2.5 x
0.7-1.2 cm, globose.
 |
||
