Compilation
Duvalia pillansii

stems 3/4–2 in. long, 1/3– 1/2 in. thick, ovoid to oblong, obtusely 4–6-angled; angles with conical acute tubercle-like teeth 1 1/2–2 lin. long; flowers 2–3 together, successively developed near the middle of the young stems; pedicels usually about 1/4 (rarely up to 1/2) in. long; sepals 1–1 1/2 lin. long, ovate or ovate-lanceolate, acuminate; corolla in bud deeply and acutely 5-lobed at the flat and rather thin basal part, abruptly acuminate into a very acute 5-grooved cone, when expanded 1–1 1/6 in. in diam., dark chocolate passing into light purple on the top of the annulus and fading into a narrow white ring around the corona; lobes ascending-spreading, with recurving tips, 4–5 lin. long and as much in breadth at the base, broadly deltoid-ovate with the sides but slightly folded back at the base, rather abruptly acuminate and replicate at the apical part, glabrous on both sides, ciliate on the basal half with fine simple purple hairs 1–1 1/2 lin. long; annulus 1–1 1/3 lin. high and 3 1/2–4 lin. in diam. at the top, with the sides much sloping outwards, obscurely pentagonal, glabrous; outer corona about 2 1/4 lin. in diam., pentagonal, light canary-yellow as are also the inner corona-lobes. null