Hirtella, Pereira, Zanata, Cetra & Reis, 2014

Barros, Natália, Menezes, Luis Fernando Tavares de, Sothers, Cynthia & Peixoto, Ariane Luna, 2025, Flora of Espírito Santo: Chrysobalanaceae, Rodriguesia (e 00872024) 76, pp. 1-39 : 14

Identification key for Hirtella from the state of Espírito Santo

1. Leaves glabrescent to hispid adaxially; flowers with 7 stamens.

2. Leaves with rounded base, acuminate apex (4–7 mm long); flowers longer (2–2.5 cm).....................

.........................................................................................................................................4.8. Hirtella santosii

2’. Leaves with cuneate base, rounded to shortly acuminate apex (0.5–4 mm long); flowers shorter

(1.9–2.2 cm)................................................................................................................. 4.4. Hirtella hebeclada

1’. Leaves glabrous adaxially; flowers with 6 or less stamens.

3. Leaves with base subcordate to rounded.

4. Inflorescence a raceme; drupe ellipsoid ............................................................4.9. Hirtella sprucei

4’. Inflorescence a corymb; drupe obovoid.

5. Leaves with margin slightly revolute; flowers with 5 stamens .......... 4.5. Hirtella insignis 5’. Leaves with margin not revolute; flowers with 3 stamens.............. 4.3. Hirtella corymbosa

3’. Leaves with base cuneate.

6. Leaves with apex rounded .............................................................................. 4.1. Hirtella bahiensis

6’. Leaves with apex acute to acuminate.

7. Inflorescence paniculate.

8. Young branches sparsely hispid; leaves margin slightly revolute; inflorescence hispid, flowers shorter (≤ 1.6 cm)...............................................................4.10. Hirtella triandra 8’. Young branches glabrous, leaves margin not revolute, inflorescence pubescent, flowers longer (ca. 2.5 cm) ............................................................... 4.2. Hirtella barrosoi 7’. Inflorescence racemose.

9. Leaves oblong to obovate, 10–14.1 × 3.1–4.8 cm, stipules linear.................................. ........................................................................................................... 4.7. Hirtella racemosa 9’. Leaves elliptic, 3.9–7.2 × 1.3–2.9 cm, stipules lanceolate...... 4.6. Hirtella parviunguis