Strobilanthes phyllocephala J. R. I. Wood & Scotland

Kladwong, Pornchai & Chantaranothai, Pranom, 2024, Notes on Strobilanthes (Acanthaceae) with capitate inflorescences in Thailand, PhytoKeys 244, pp. 89-126 : 89-126

19. Strobilanthes phyllocephala J. R. I. Wood & Scotland , Nat. Hist. Bull. Siam Soc. 62 (1): 31. 2017.

Fig. 11 C

Type.

Thailand: Phetchaburi, Kaeng Krachan NP, 6 Aug 1995, Larsen et al. 45466 (holotype K [ K 000224872!]; isotype AAU!).

Distribution.

Endemic to Thailand.

Ecology.

Near stream in evergreen forest or bamboo forest; 10–1,000 m alt., flowering and fruiting from November to March.

Selected specimens examined.

Thailand, South-western: Phetchaburi, Kaeng Krachan NP, 400–600 m alt., 6 Aug 1995, Larsen et al. 45466 ( AAU, K); ibid., 840 m alt., 24 Oct 2013, Tagane et al. 2132 ( BKF).

Preliminary conservation status assessment.

This species is only known from its type locality and is assessed as Data Deficient ( DD) following IUCN (2022). More field work needed to assess the conservation status of S. phyllocephala .

Notes.

Strobilanthes phyllocephala resembles S. falconeri . It differs in having the ovate or ovate-elliptic leaves vs. elliptic-lanceolate or lanceolate leaves in S. falconeri . The apex of bracteoles of S. phyllocephala is obtuse vs. acute in S. falconeri .

Figures

Figure 11. Distribution maps of Strobilanthes with capitate inflorescence in Thailand A S. graminea J. B. Imlay, S. hypomalla Benoist and S. kerrii Craib B S. paniculiformis J. R. I. Wood, S. paniculata (Nees) Miq. and S. phengklaii Kladwong & Chantar. C S. phyllocephala J. R. I. Wood & Scotland, S. phyllostachya Kurz and S. serpens (Nees) J. R. I. Wood & Scotland D S. speciosa Blume and S. squalens S. Moore.