Nothopegia

Nothopegia beddomei Gamble (It appears keys in BSI Flora of india are not correct as being contradictory w.r.t. no. of secondary nerves as per book link in Flora of Peninsular India (about 20 for Nothopegia beddomei). Also as branches and petals appear to be glabrous here.)

Nothopegia castaneifolia (Roth) Ding Hou ? (Images by Amogh Ghaisas (Inserted by J.M.Garg))

Nothopegia travancorica Bedd. ex Hook. fil. (India (Karnataka, Tamil Nadu, Kerala) as per CoL)
(Branchlets and petioles are rusty villous. No. of secondary nerves similar to those for Nothopegia beddomei))
 

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Nothopegia species- Chinnar Wildlife sanctuary, Idukki, Kerala

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Keys as per BSI Flora of India:

1a. Branchlets and petioles rusty villous; lamina with 25 – 30 pairs of nerves

2

b. Branchlets and petioles quite glabrous; lamina with 12 – 13 pairs of nerves

3

2a. Leaves alternate, apex abruptly acuminate; petals densely villous inside

6. Nothopegia travancorica

b. Leaves subopposite, apex caudate-acuminate; petals glabrous on both sides

1. Nothopegia aureofulva

3a. Leaf apex acuminate

4

b. Leaf apex acute or obtuse

6

4a. Leaves usually lanceolate, thinly coriaceous; petals ovate

2. Nothopegia beddomei

b. Leaves usually obovate, thickly coriaceous; petals oblong

5

5a. Flowers ca 3 mm in diam.; sepals pubescent above

5. Nothopegia racemosa

b. Flowers ca 7 mm in diam.; sepals glabrous

7. Nothopegia vajravelui

6a. Leaves obovate-oblong, margin thin, not revolute on ventral side; petioles stout; petals and stamens glabrous; Drupes ovoid, pericarp thick

3. Nothopegia colebrookiana

b. Leaves variable from linear to linear-lanceolate or elliptic to elliptic-oblong, margin thick, revolute on ventral side; petioles slender; petals and stamens pubescent; Drupes compressed polewise, pericarp thin

4. Nothopegia heyneana

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Nothopegia species in India:
Nothopegia aureofulva Bedd. ex Hook.f.
Nothopegia beddomei Gamble
Nothopegia castaneifolia (Roth) Ding Hou
Nothopegia colebrookeana (Wight) Blume
Nothopegia heyneana (Hook.f.) Gamble
Nothopegia monadelpha (Roxb.) Forman

Nothopegia racemosa(Dalzell) Ramamoorthy (synonym of Nothopegia castaneifolia(Roth) Ding Hou
Nothopegia sivagiriana Murugan & Manickam
Nothopegia travancorica Bedd. ex Hook.f.
Nothopegia vajravelui K.Ravik. & V.Lakshm.

Reference:
Efloraofindia 2007 onwards. Nothopegia. Accessed at /species/a—l/a/anacardiaceae/nothopegia on 3-07-2020.
Karthikeyan, S., Sanjappa, M. and Moorthi, S. 2009. Flowering plants of India Dicotyledons volume 1 (Acanthaceae – Avicenniaceae). BSI, Kolkata. pp. 80-81.