TABLE 1. Comparison among Metapetrocosmea alba, M. poilanei and M in Metapetrocosmea alba (Gesneriaceae), a new species from central Vietnam

TABLE 1. Comparison among Metapetrocosmea alba, M. poilanei and M. cycnostyla.
CharacterM. albaM. poilaneiM. cycnostylaStemdistinct, more than 10 cm longdistinct, more than 10 cm longvery short, less than 3 cm longLeaf blade size4–8 × 3–5 cm2–4 × 1–2 cm2–3 × 1.5–2 cmLeaf blade shapeovate or broadly ovateovate or ellipticellipticLeaf blade marginshallowly obtuse-dentate or shallowly undulate-serratecrenateserrateInflorescencecompound cymes, laxcompound cymes, laxcompound cymes, denseCalyx lobe lengthca. 5 mmca. 5 mmca. 6 mmCorolla colourwhitelight violetwhiteCorolla typeobliquely funnelformobliquely campanulateobliquely funnelformCorolla length12–14 mm10 mm10 mmStaminode number323Ovary lengthca. 4 mmca. 2.5 mmca. 3 mmLocalityThua Thien Hue, central VietnamKhanh Hoa, southern VietnamDa Nang, central VietnamAltitudeca. 100 m a.s.l200–300 m a.s.l1000–1500 m a.s.l