Zornia decussata For

Zeferino, Laís Couto, Lewis, Gwilym Peter, Pezzini, Flávia Fonseca & Fortuna-Perez, Ana Paula, 2025, A taxonomic synopsis of the genus Zornia J. F. Gmel. (Leguminosae: Papilionoideae) for the Neotropics, Acta Botanica Brasilica (e 20240197) 39, pp. 1-37 : 14-16

Zornia decussata For t.–Perez, G.P.L e w is & A.M.G.Azevedo, Kew Bull. 64: 719. 2009, publ. 2010.

Fig. S4

Type: VENEZUELA. T.F. Amazonas, Depto. Atures: em la región de Rincones de Chacorro , 11 July 1980, Huber 5269 (holotype K–000555759 !) .

Shrub to ca. 20 cm tall. Stems prostrate, not branched, villous. Leaves with 2 leaflets, petiolate. Leaflets 5–15 × 2–10 mm, ovate to lanceolate, villous. Stipules lanceolate, 2–3 veined. Inflorescences spiciform, axillary, 10 cm long. Bracteoles 5–7 × 2–3 mm, elliptic, 1–3 veined, punctate, villous, green. Fruit loment with 2–4 articles; articles 2 × 1.5–2 mm, reticulate-veined, bristle-like trichomes 1.5 mm long.

Distribution and habitat: Venezuela, endemic. It occurs on sandy soil in Savanna.

Conservation Status: Data Deficient (DD). Zornia decussata is known from a single collection, which was made in 1980, in an area that is known to be well collected. Although the field label describes the species as being locally common, Z. decussata is classified as Data Deficient due to the lack of recent and sufficient data about its distribution (EOO=0 km²; AOO= 4.000 km ²).

Notes: Zornia decussata is distinguishable by its prostrate and non-branched stems, bracteoles decussate, ellipt and villous.

Representative specimens examined: VENEZUELA. T.F. Amazonas: Depto. Atures: em la región de Rincones de Chacorro , a unos 30km al N de Puerto Ayacuchoy a unos 5 km al NE de Galipero, 11 July 1980, O. Huber 5269 (K).

Figures

Figure 4. Neotropical Zornia fruit morphology showing variation in the loment. It shows the article indumentum and presence or absence of bristle-like trichomes. A. Z. subsessilis B. Z. sericea C. Z. myriadena D. Z. ulei E. Z. bracteata. (Photos A: T.C. Monteiro; B: T.M. de Lima C, D: R.T. Queiroz; E: N. Frade).