Botanical Survey of India | Flora of India

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Impatiens pandata Barnes in Bull. Misc. Inform. 1938: 33 - 34. 1938 & in J. Indian Bot. Soc. 18: 98. 1939.


Herbs, scapigerous, succulent. Leaves radical, solitary or few, orbicular-reniform, cordate at base, shallowly crenate along margins, thick and fleshy, glabrous,green above, dark-purple below; basal nerves 3 - 4 pairs, curved, not reaching margin, one pair of nerves arising from a little higher up; petioles ca 2 cm long. Scape solitary, up to 20 cm long or much shorter, thick, succulent, pale-green with numerous red streaks, bent abruptly at right-angles at first pedicel. Racemes 9 or fewer-flowered; lower bracteoles broad and short, upper narrowly ovate, up to 5 mm long; pedicels slender up to 2.7 cm long, in fruits hanging down. Lateral sepals ca 5 mm long, streaked brownish-red. Lip spoon-shaped, spurless, posteriorly light brownish-purple shading to white anteriorly. Standard broadly elliptic with long axis sideways, concave, entire along margins, ca 1cm wide. Wings 3-lobed, up to 2.9 cm long; lobes oblong, rounded, two upper curved outwards, white, slightly tinted with a dark shade of blue within, hairy at base within. Capsules turgid, ca 1.2 cm long, glabrous; seeds very numerous, narrowly ovoid, ca 1 mm long, reddish-brown, covered with scattered white granules which swell to hairs when wet.

Fl. & Fr. Aug. - Sept.

Distrib. India: On wet rocks in cushions of moss and on clins in shrub-savannah at high elevations above 1,800 m. Kerala (Anaimudi slopes and Karunkulam, Idukki Dist.)

Endemic.

Notes. It's counterparts are I. akka Beddome and I. nilgirica C. Fischer occurring in similar situations in Anamalais and Nilgiris. Barnes (1938) considers this to be related to I. crenata and I. nilgirica but in pollen it is quite distinct at least from I. nilgirica.




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