Lasianthus inodorus Blume

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 : 18-19

27. Lasianthus inodorus Blume (1826–1827:998). Type: ― INDONESIA. Java, C. L. Blume s.n. (holotype L0000690 image!). ( Figure 3O ).

= Lasianthus poilanei Pitard (1924:398) . Type: ― CAMBODIA. Mt Elephant, 20 May 1921, E. Poilane 234 (isotype K000777025!).

= Lasianthus tubiferus Hooker (1880:183) . Type (lectotype designated by Deb & Gangopadhyay 1991):― INDIA. Khasia, J. D. Hooker

& T. Thomson 9 (lectotype K000031593!; isolectotype L0000710 image!).

T hailand: —NORTHERN. Chiang Mai: Doi Inthanon National Park, 25 July 1988, S. Tsugaru T61776 (AAU, BKF, QBG), 4 July 1934, H. B. G. Garrett 879 (BKF, K), 23 December 1996, M. Hara A027 (BKF), 25 July 1988, S. Tsugaru T61776 v (BKF), 2 October 1971, G. Murata et al. T15742 (BKF), 30 July 1988, N. Fukuoka T62359 (BKF), 5

December 1984, S. Mitsuta, T. Yahara & H. Nagamasu T45322 (BKF). NORTH-EASTERN. Loei: Phu Kradung, 2–3 November 1984, G. Murata et al. T42896 (BKF), 16 November 1979, T. Shimizu et al. T23198 (BKF), 24 December 1971, C. F. van Beusekom et al. 4550 (BKF, K), 4 December 1965, M. Tagawa, K. Iwatsuki & N. Fukuoka T1214 (BKF, KYO). EASTERN. Chaiyaphum: Phu Khieo Wildlife Sanctuary, 21 July 1973, T. Smitinand 11857 (BKF). Nakhon Ratchasima: Khao Yai National Park, 18 October 1969, C. F. van Beusekom & C. Charoenpol 1697 (BKF), 2 December 1983, N. Fukuoka & M. Ito T34554 (BKF). SOUTH-EASTERN. Chanthaburi: Khao Soi Dao Wildlife Sanctuary, 13 November 1969, C. F. van Beusekom & T. Smitinand 2202 (BKF).

Distribution: — India (northeast), Bangladesh (east), China (Yunnan), Vietnam, Cambodia, Indonesia (Sumatra, Java), Thailand (Northern, North-Eastern, Eastern, South-Eastern).

Ecology: —Evergreen forest and hill evergreen forest, in shaded places, elevation 500‒1200 m. Flowering in July‒September and fruiting in October‒November.

Notes: ― Lasianthus inodorus can easily be recognized by the glabrous plants, mostly with branches and branchlets that are dark brown or black as seen in both fresh and dried material. Further more it has a 1‒2 cm long petiole, calyx campanulate, 0.8‒1 cm long, drupe large ovoid appearing black when ripe and dried. In Thailand, this species is commonly found in northern forests at an elevation of 800‒1000 m.

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.