Microchirita in Peninsular Malaysia 
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Key to Microchirita species in Malaysia 
Lamina narrowly elliptic or elliptic with widest point of lamina at the middle ... 2 
Lamina ovate, obovate, lanceolate or ovate with widest point of lamina below or 
above the middle.4 
Margin serrate.4. M. ruthiae 
Margin serrulate.3 
Stem erect; leaf lower surface pale green to yellowish green, sometimes reddish 
green, base narrowly cuneate.1. M. caliginosa 
Stem creeping; leaf lower surface very pale green or whitish green, base attenuate 
or sometimes cordate.5. M. sericea 
Inflorescences cymose, bracts present.5 
Inflorescences epiphyllous and crested, bracts absent (or minute).6 
Bracts connate-perfoliate into cup-like arrangement.3. M. rupestris 
Bracts not fused at base, leaf-like.2. M. involucrata 
Corolla tube pale violet, lobes with conspicuous dark purple stripes; glandular 
hairs golden yellow, apically swollen in a cluster above the anther.6. M. viola 
Corolla tube white or cream, pale yellow or pale purple, lobes conspicuously 
striped or plain; glandular bead-like hairs translucent or glistening yellow or 
brown. 7 
Corolla tube white; anthers free. 4. M. ruthiae 
Corolla tube cream, pale yellow or pale purple; anthers fused apically or joined 
by apical ligature.5. M. sericea 
1. Microchirita caliginosa (C.B.Clarke) Yin Z.Wang, J. Syst. Evol. 49: 60 (2011). - 
Chirita caliginosa C.B.Clarke in A.DC. & C.DC., Monogr. Phan. 5(1): 122 (1883); 
Clarke in Hooker, FI. Brit. India 4: 360 (1884); Ridley, J. Linn. Soc., Bot. 32: 516 
(1896); Ridley, J. Straits Branch Roy. Asiat. Soc. 44: 58 (1905); Ridley, FI. Malay 
Penins. 2: 524 (1923); Wood, Notes Roy. Bot. Gard. Edinburgh 33: 186 (1974). - 
Roettlera caliginosa (C.B.Clarke) Kuntze, Revis. Gen. PI. 2: 476 (1891). - TYPE: 
Malaysia, Peninsular Malaysia, Kuala Lumpur [Klang], 1891, Kehding in Beccari 73 
(holotype FI [FI013109], digital image seen). (Fig. 2A, 3A-B, 4, 5) 
Chirita parvula Ridl., J. Fed. Malay States Mus. 10: 149 (1920); Ridley, FI. Malay 
Penins. 2: 524 (1923). - TYPE: Malaysia, Peninsular Malaysia, Pahang, KotaTongkat, 
10 th mile Benta-Kuantan road, June 1917, Evans s.n. (holotype K [K000450490]). 
