Bush for ID Tiruvannamalei, Tamil Nadu NAW-OCT-17

[Nadeem Waqif]

Kindly identify this bush photographed at the herbal garden, Tiruvannamalei, Tamil Nadu in September 2014.

Height of bush about 2 metres. Leaves about 8 to 10 cms. long.

[Nadeem Waqif]

Kindly suggest if these pictures are of the male of same species or of a different species altogether. These were also photographed at the herbal park, Tiruvannamalei.

[Vijayasankar]

These are female and male plants/flowers of Suregada lanceolata.

 

Regards 

Vijayasankar

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Vijayasankar Raman, Ph.D.
National Center for Natural Products Research
University of Mississippi

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[JM Garg]

[J.M. Garg]

Keys from BSI Flora of India as given below are creating some doubt about it being Suregada lanceolata. Maybe Tapas ji can clarify further.

1a. Leaves obovate or oblanceolate, sharply acuminate at apex, up to 15 cm long; flowers small, few in fascicles; fruits smooth, deeply lobed, keeled on lobes, 7 - 10 mm in diam.

1. Suregada angustifolia

b. Leaves elliptic to oblong-elliptic, rounded or obtuse at apex, entire, up to 25 cm long; flowers rather large, many in cymes or clusters; fruits rough, obscurely lobed, 12 - 15 mm in diam.

2. Suregada multiflora

---------- Forwarded message ---------
From: Nadeem Waqif <nadeem...@gmail.com>
Date: Wed, 22 Oct 2014 at 11:18
Subject: [efloraofindia:204092] Bush for ID Tiruvannamalei, Tamil Nadu NAW-OCT-17
To: efloraofindia <indian...@googlegroups.com>

Kindly identify this bush photographed at the herbal garden, Tiruvannamalei, Tamil Nadu in September 2014.

Height of bush about 2 metres. Leaves about 8 to 10 cms. long.

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With regards,
J.M.Garg

[nadeem waqif]

http://www.theplantlist.org/tpl/record/kew-198576

the plant list claims Suregada augustifolia is a synomyn of Suregada lanceolata, which is the accepted name. maybe bsi wants to go with augustifolia for some reason. 

[Tapas Chakrabarty]

It may be noted that the genus Suregada Roxb. ex Rottler exhibits extra-ordinary phenological plasticity. Each species seems to be connected to some other species with endless intermediated. Hence, species delimitations in the genus are based on some tendencies exhibited by the taxa rather than sharp discontinuities or differences.

In India, we have three recognized species, as follows:

1. Suregada bifaria (Roxb. ex Willd.) Baill., Hist. Pl. 5: 120. 1874; Ramana et al. in Phytotaxa 221: 183. 2015. – Gelonium bifarium Roxb. [Hort. Bengal. 73. 1814, nom. nud.] ex Willd., Sp. Pl., ed. 4, 4(2): 831. 1806.

Type (lectotype, designated by Ramana et al., 2015): India, Roxburgh s.n. (B-W18501-020!). Remaining original material: India, Roxburgh s.n. (B-W10501-010!).

Distribution: India (Andaman & Nicobar Islands), throughout Malesia to N Australia.

Usually recognizable by the bilocular fruits.

2. Suregada lanceolata (Willd.) Kuntze, Revis. Gen. Pl. 2: 619. 1891. – Gelonium lanceolatum Willd., Sp. Pl., ed. 4, 4(2): 832. 1806; Roxb., Hort. Bengal. 73. 1814 & Fl. Ind. 3: 831. 1832.

Type India, Klein 782 (holotype B-W18502-010, digital image!).

Link: https://herbarium.bgbm.org/object/BW18502010

= Gelonium angustifolium Müll.Arg. in DC., Prodr. 15(2): 1128. 1866. – Suregada angustifolia (Müll.Arg.) Airy Shaw in Kew Bull. 23: 128. 1969.

Type (first-step lectotype, designated by Airy Shaw, 1969): Sri Lanka, Adams Peak, March 1846, Thwaites CP [Ceylon Plants] 252 (K). Second-step lectotype (designated by Chakrabarty in Ann. Pl. Sci. 8: 3634. 2019): Sri Lanka, Thwaites CP [Ceylon Plants] 252 (K000247072, digital image!; isolectotypes G00319624, K000247073, digital images!). Additional syntypes: India, Cochin, Johnston s.n. (K000247071, digital image!); Sri Lanka, Thwaites CP [Ceylon Plants] 696 (G00319623, G00319625, K000247068, digital images!); Sri Lanka, Thwaites CP [Ceylon Plants] 2101 (G00319622, digital image!).

Distribution: Sri Lanka and peninsular India.

Distinguished from S. multiflora usually by the narrowly oblong-elliptic to lanceolate-oblong or  narrowly oblong- obovate to oblanceolate leave, fewer flowers per cymule and smaller fruits (usually up to 1 cm in diameter). However, these characters may overlap.

3. Suregada multiflora (A. Juss.) Baill., Étude Euphorb. 396. 1858. – Gelonium multiflorum A. Juss., Euphorb. Gen. 111, t. 10, f. 31A. 1824.

Type (lectotype, designated by Chakrabarty in Ann. Pl. Sci. 8: 3633. 2019): [icon] in A. Juss., Euphorb. Gen. 111, t. 10, f. 31A. 1824.

= Gelonium fasciculatum Roxb. [Hort. Bengal. 73. 1814, nom. nud. (as fascuculatum)] Fl. Ind. 3: 832. 1832.

Type (lectotype, designated by Chakrabarty in Ann. Pl. Sci. 8: 3633. 2019):  Without locality (presumably India), No collector s.n. [7891] (K001128695, digital image!). Remaining original material: Icones Roxburghianae, No. 124 (CAL!, K, image!).

 Distribution: India, Bangladesh, Myanmar, China, Laos, Vietnam, Thailand, Malaysia, Sumatra, Celebes and Lesser Sunda Islands.

See differences from S. lanceolata as given above.

[J.M. Garg]

Thanks, Tapas ji.

What to finally take it as ?

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With regards,
J.M.Garg

[Tapas Chakrabarty]

Suregada lanceolata.

[J.M. Garg]

Thanks a lot, Tapas ji

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With regards,
J.M.Garg