Habenaria grandifloriformis
Blatt. & McCann.
In J. Bombay Nat. Hist. Soc. 36: 17 (1932)
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Habenaria grandiflora Lindl. ex Dalzell & Gibson in Bombay Fl.: 267 (1861), nom. illeg.
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Habenaria grandifloriformis var. aequiloba Blatt. & McCann in J. Bombay Nat. Hist. Soc. 36: 18 (1932),
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Habenaria rotundifolia Lindl. in Gen. Sp. Orchid. Pl.: 306 (1835), nom. illeg.
Ecology: Terrestrial herb growing in open grass lands as well as laterite plateau
This species is Endemic to peninsular India IUCN RED DATA BOOK STATUS: Near threatened
Tuber: 1 or 2 ellipsoid or globular 2 x 0.9 cm
Leaves: 1 – 2 opposite lying flat on ground coriaceous 5 X 4cm broadly ovate to
sub orbicular, acute, entire, deep green above & pale green below, 8 to 12 nerved
often upper leaf is replaced by bract, it may be 2 -3 mm above lower leaf on peduncle
Scape: 9 – 10cm, long, erect, rigid, terete, longitudinally ribbed
Inflorescence: flowered raceme
Flowers: white, faintly perfumed, pedicellate, bracteate. Pedicel 2- 3cm long, elongated in fruits upto 5cm
Bracts: 1x0.7cm ovate, acute, amplexicaul, 5-7 nerved
Sepals: unequal, white, acute
Dorsal sepal 10x5mm broadly ovate, concave, 3 nerved
Lateral sepal 7x5mm, obliquely ovate, tapering at the apex, faintly 7 nerved
Petals: white 2 partite, upper segment: 7x6mm, obliquely ovate triangular, acute entire, 3 nerved, Lower segment filiform acute 9 – 12cm
Labellum: 3 partite10x18mm, lateral segment filiform spreading
Mid segment linear, acute, slightly dilated above middle
Spur: 15 -17mm, curved, white tinged with green towards sub globular apex, shoerter than or equql in length with ovary
Column: Greenish white short, anther cells diverging with 1 – 2mmlong curved apiculus at the top Anther tricuspidate at the tip.
Anther tube short
Rostellum greenish in between anther cells
Pollinia: 2x1mm ovoid, caudicle 1-2mm Viscidium large orbicular
Staminode white, glandular, elliptic on sides of anther cell
Stigmatic processes 2mm long parallel white clavate at the tip
Ovary: 2-3cm long ribbed green
Fruit: capsule 2.8x5cm strongly ribbed
Flowering: June- July
Fruiting: September