Lasianthus oblongus King &Gamble(1904:127)

Napiroon, Tiwtawat, Chayamarit, Kongkanda, Dawson, Sally, Till, Walter & Balslev, Henrik, 2020, A synopsis of Lasianthus (Lasiantheae, Rubiaceae) in Thailand and two additional new species, Phytotaxa 439 (1), pp. 1-38 : 23

39. Lasianthus oblongus King &Gamble(1904:127) . Type (lectotype designated by K.M. Wong 1989):― MALAYSIA. Perak, April 1883, King’s collection 4128 (lectotype SING0059238 image!; isolectotype K000763891!). ( Figure 3S ).

T hailand: ―PENINSULAR. Yala: Betong district, 11 June 2005, V. Chamchumroon & M. Poopath VC2193 (BKF, PSU), Ban Nang Sata district, 17 October 2017, Poopath M. 2012 (BKF).

Distribution: ―Peninsular Malaysia, Thailand (Peninsular).

Ecology: ―Lowland tropical rain forests at an elevation of 100– 150 m.

Note: ― Lasianthus oblongus is known from small populations scattered in the western and northwestern Malaysia, and some parts of northern Perak State connected with natural areas in Yala province of Thailand, where we have found this species (Napiroon et al. 2018).

Figures

FIGURE 3A‒O. Lasianthus werefound in Thai naturalforests:A) L. appressus;B) &C) L.attenuatus;D) L.chinensis;E) L.chrysoneurus; F) L. constrictus; G) L. cyanocarpus; H) L. ellipsoideus; I) L. ellipticus; J) L. fordii; K) L. foxworthyanus; L) & M) L. hirsutus; N) L. hispidulus and O) L. inodorus.