Lagerstroemia venusta Wall. ex C.B.Clarke

De Wilde, Willem J. J. O. & Duyfjes, Brigitta E. E., 2016, Survey of Lagerstroemia L. (Lythraceae) in Indochina (excl. Thailand) with the description of Lagerstroemia densiflora, sp. nov., a new species from Vietnam, Adansonia 38 (2), pp. 241-255 : 252

20. Lagerstroemia venusta Wall. ex C.B.Clarke ( Fig. 10 )

The Flora of British India 2: 576 (1879) . — Furtado & Srisuko, Garden’s Bulletin Singapore 24: 203, fig. 4 (1969) . — P.H. Hô, An Illustrated Flora of Vietnam 2 (1): 30, fig. 3677 (1992) . — S. Gardner et al., A Field Guide to Forest Trees of Northern Thailand: 205: 448 (2000). — H. N. Qin & S. A. Graham, Flora of China 13: 279 (2007). — W. J. de Wilde et al., Flora of Thailand 11 (4): 579 (2014). — Type: Myanmar, Wallich 2117 (holo-, K-W). Lagerstroemia quinquevalvis Koehne, Das Pflanzenreich ( Engler) 17 ,

IV.216: 268 (1903). — Furtado & Srisuko, Garden’s Bulletin Sin-

gapore 24: 224 (1969). — P.H.Hô, An Illustrated Flora of Vietnam

2 (1): 24, fig. 3659 (1992). — Vietnam ( Tonkin, Muong de Bip,

near Tu Phap), Balansa 3866 (holo-, P[P00966749]!; iso-, K!, US!). Lagerstroemia corniculata Gagnep., Notulae Systematicae 3: 357 (1918);

Flore générale de l’Indo-Chine 2: 943, fig. 101: 1-3 (1921). —

Lectotype (first-step designated by De Wilde & Duyfjes, 2013:

98, second-step here designated): Cambodia, Thorel 2162 (holo-,

P[P05140514!, Gagnepain’s drawing attached]; isolecto-, BM!,

K!, NY!, P[P05140513, P05140515, P05140516]!). SPOT- CHARACTERS. — Auricles the same shape and size as the 6 calyx lobes by which the calyx in both flowers and capsules appears as having 12 similar lobes. DISTRIBUTION. — Myanmar, Thailand, China (Yunnan), Cambodia (Stung-Treng), Laos, Vietnam ( Tonkin).

NOTE

Lagerstroemia venusta may be confused with L. ovalifolia the latter with larger flowers (flower bud 11-16 mm long), more true calyx lobes, 6-9, and none or very small auricles.

Figures

FIG. 10. — Gagnepain’s drawing on flower details of the hololectotype of Lagerstroemia corniculata Gagnep., Thorel 2162 (P05140514).