Eulophia andamanensis
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Eulophia andamanensis | ||||||||||||||
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Eulophia andamanensis Reich b.f. |
Eulophia andamanensis is an orchid endemic to the Andaman and Nicobar group of Islands are situated off the eastern coast of India between and .
The genus Eulophia belongs to the subfamily Vandoideae, tribe Cymbidieae, and subtribe Cyrtopodiinae. Eulophia andamanensis is found growing wild in the Little Andaman Islands, where the temperature ranges between 23–30 °C and the annual average rainfall is 3473 mm. Tropical evergreen forest floors of Andamans is the habitat of this orchid, and it is scarcely distributed.
The growth habit is sympodial. The stem at the base is bulbous, with thick roots. The leaves are short during flowering, linear lanceolate. The bracts are shorter than the pedicel, the sepals 2 cm long, the lip shorter than the sepals. The sepals are linear lanceolate, 3–5 nerved, acuminate; both the sepals and petals are pale green in colour, the lip green at the base and white at the center with maroon horizontal striations. The flowering period is from November to March, with the florets borne on long spikes (0.6–1.3 m long), and last for about 50 days.
[edit] Description
- Plant vigour: Slow
- Stem: Erect
- Pseudobulb: Present, elongated and Sheathed
- Leaf arrangement: Alternate
- Leaf shape: Lanceolate
- Leaf Colour: Dark Green
- Leaf Margin: Entire
- Leaf Length: 46 cm
- Leaf Width: 5.25 cm
- Leaf venation: Parallel venation midrib and veins prominent on under surface of leaf
- Leaf number: 6–8
- Inflorescence type: Raceme
- Spike emergence: From the base of the psuedobulb
- Number of spikes/plant: 2–4
- Flower arrangement: Alternate
- Flower: Bractate
- Number of florets/spike: 18–45
- Flower size: Small (6.65 cm across the axes)
- Shape of the lip: Frizzled , ridged along the center
- Days for all florets to open: 25
- Pod size: Medium
- Seeds: Numerous