Coccoloba sect. Paniculatae

Ancona, Juan J., Ortiz-Díaz, Juan J. & Tun-Garrido, Juan, 2023, Coccoloba efigeniana and C. ibarrae, two new species of Coccoloba sect. Paniculatae Meisn. (Polygonaceae), Phytotaxa 599 (2), pp. 100-108 : 106-107

Key for the identification of the species of Coccoloba sect. Paniculatae occurring in Mexico and Central America

1 Panicles small, 2‒3(‒4) branches .......................................................................................................................................................2

- Panicles large,> 5 branches ...............................................................................................................................................................5

2 Petiole pubescent to puberulent, nerves dense to sparsely puberulent, fruit 9.8‒10.3 × 8.8‒9.14 mm ................. Coccoloba hirtella

- Petiole glabrous, nerves glabrous, fruit ≤ 8 mm long, ≤ 7.6 mm wide ..............................................................................................3

3 Leaf blade chartaceous, base asymmetric, apex long acuminate ........................................................................ Coccoloba montana

- Leaf blade coriaceous, base symmetrical, apex rounded to slightly acute.........................................................................................4

4 Leaf blade obovate to oblanceolate-obovate, base cuneate, petiole ≤ 1cm long..................................................... Coccoloba lasseri

- Leaf blade elliptic-oblong, base subcordatae, petiole 1.0– 1.5 cm long .............................................................. Coccoloba matudae

5 Panicle spiciform ................................................................................................................................................................................6

- Panicle racemose ................................................................................................................................................................................7

6 Ochrea, petioles and leaf blades hirsutulous when mature, fruit obpyramidal, pilosulose .............................. Coccoloba efigeniana

- Ochrea, petioles and leaf blades glabrous when mature, fruit ovoid, glabrous.................................................. Coccoloba belizensis

7 Leaf-blades obovate to broadly elliptic oblong, glabrous or with few trichomes along the axils beneath, panicle branches glabrous, fruit ovoid without prominent ribs, tepals not crowned ............................................................................... Coccoloba tuerckheimii

- Leaf blades oblong-elliptic to obovate-elliptic, puberulent beneath, with short trichomes on veins, panicle branches puberulent, fruit ovoid with prominent ribs, tepals crowned ................................................................................................... Coccoloba ibarrae