Dichorisandra species

Silva, Marcos José Da & Aona, Lidyanne Yuriko Saleme, 2023, A beautiful new species of Dichorisandra (Commelinaceae) from the mountains of northeastern Goiás, Brazil, Phytotaxa 620 (3), pp. 216-224 : 222

Key to Dichorisandra species occurring in the state of Goiás

1. Leaves rosulate or more rarely alternate-spiral on the upper third of the plant; inflorescence present at the apex of the branch or apparently lateral and perforating the leaf-sheath near the base of the stem; capsules cylindrical.............. Dichorisandra perforans

- Leaves cauline, alternate distichous or spiral near to inflorescence; inflorescence always at the apex of the branches (terminal); capsules globose or ovoid...................................................................................................................................................................2

2. Herbs scandent or growing supported on shrubs; leaf base symmetric or discretely assymentric; petals purplish blue with basal white ............................................................................................................................................................. Dichorisandra hexandra

- Herbs always erect; leaf base conspicuously asymmetric; petals lilac to pink, lilac, purple or blue .................................................3

3. Stems glabrous; leaves firmly chartaceous, glabrous, margin not ciliate; petals and pollen sacs lilac to pink.................................... ..................................................................................................................................................................... Dichorisandra rigidifolia

- Stems indumented; leaves membranaceous, hairy on both surfaces, margin ciliate; petals and pollen sacs lilac or purple or blue ... ............................................................................................................................................................................................................4

4. Stems with (1.6–) 2–2.6 cm diam; leaves elliptic or oblong-elliptic with caudate at apex; petals and pollen sacs lilac or purple; capsules verrucose at apex....................................................................................................................... Dichorisandra pulcherrima

- Stems with 0.4–0.5 cm diam; leaves lanceolate with apex acuminate; pollen sacs blue; capsules smooth at apex ............................ ..................................................................................................................................................................... Dichorisandra pubescens