Zornia myriadena Benth., Fl. Bras. (Martius

Zornia myriadena Benth., Fl. Bras. (Martius) 15(1): 85. 1859. Figs 4C, 11, S 2 Type: BRAZIL. Bahia: s.loc., s.d., Martius s.n. [lectotype M–0233826! designated by Fortuna-Perez and De Azevedo (2011)]. Shrub to ca. 80 cm tall. Stems decumbent, branched, glabrous to villous. Leaves with 4 leaflets, petiolate. Leaflets 5–17 × 3–6 mm, obovate, villous to glabrous. Stipules obovate, 4–6 veined. Solitary flower. Bracteoles 5–5.5 × 2–2.5 mm, elliptic, 6–7 veined, punctate, villous, green. Loment with up to 15 articles; articles 2–3 × 2–2.3 mm, not reticulate-veined, bristle-like trichomes absent. Distribution and habitat: Cuba, Brazil, Jamaica. It occurs mainly in Tropical Dry Forests. Conservation Status: Near Threatened (NT). The disjunct distribution adds complexity to the assessment, emphasizing the need for targeted conservation measures in both regions of occurrence (EOO= 4,946,100.470 km ²; AOO= 364.000 km ²). Notes: Due to the presence of solitary flowers, Z.myriadena resembles Z. echinocarpa, but it differs by an absence of trichomes on the loment (vs. bristle-like trichomes 1 mm long in Z. echinocarpa). Representative specimen examined: BRAZIL. Alagoas: Maragogi, 20 September 1954, J.I.A.Falcão et al.1179 (RB); Bahia: Andaraí, 12 February 1977, R.M. Harley 18568 (K, P); Minas Gerais: Pedra Azul, 11 December 1984, G.P. Lewis et al.6704 (K); Pernambuco: Panelas, 16 September 1981, J.D.C. Arouck Ferreira 128 (K). CUBA. Província of Santa Clara: district of Cienfuegos, 8 October 1895, Rob Combs 404 (K, P). JAMAICA. Ashley Hall savanna, Lower Clarendon, 6 December 1917, Harris 12731 (K).

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Publication Details

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Zenodo (CERN European Organization for Nuclear Research)
Published
2025-06-16
DOI
https://doi.org/10.5281/zenodo.16920876
Primary Topic
Geochemistry and Geologic Mapping
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article
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article

Zornia myriadena Benth., Fl. Bras. (Martius

Zenodo (CERN European Organization for Nuclear Research)
Geochemistry and Geologic Mapping
article

Zornia myriadena Benth., Fl. Bras. (Martius

article en

Abstract

Zornia myriadena Benth., Fl. Bras. (Martius) 15(1): 85. 1859. Figs 4C, 11, S 2 Type: BRAZIL. Bahia: s.loc., s.d., Martius s.n. [lectotype M–0233826! designated by Fortuna-Perez and De Azevedo (2011)]. Shrub to ca. 80 cm tall. Stems decumbent, branched, glabrous to villous. Leaves with 4 leaflets, petiolate. Leaflets 5–17 × 3–6 mm, obovate, villous to glabrous. Stipules obovate, 4–6 veined. Solitary flower. Bracteoles 5–5.5 × 2–2.5 mm, elliptic, 6–7 veined, punctate, villous, green. Loment with up to 15 articles; articles 2–3 × 2–2.3 mm, not reticulate-veined, bristle-like trichomes absent. Distribution and habitat: Cuba, Brazil, Jamaica. It occurs mainly in Tropical Dry Forests. Conservation Status: Near Threatened (NT). The disjunct distribution adds complexity to the assessment, emphasizing the need for targeted conservation measures in both regions of occurrence (EOO= 4,946,100.470 km ²; AOO= 364.000 km ²). Notes: Due to the presence of solitary flowers, Z.myriadena resembles Z. echinocarpa, but it differs by an absence of trichomes on the loment (vs. bristle-like trichomes 1 mm long in Z. echinocarpa). Representative specimen examined: BRAZIL. Alagoas: Maragogi, 20 September 1954, J.I.A.Falcão et al.1179 (RB); Bahia: Andaraí, 12 February 1977, R.M. Harley 18568 (K, P); Minas Gerais: Pedra Azul, 11 December 1984, G.P. Lewis et al.6704 (K); Pernambuco: Panelas, 16 September 1981, J.D.C. Arouck Ferreira 128 (K). CUBA. Província of Santa Clara: district of Cienfuegos, 8 October 1895, Rob Combs 404 (K, P). JAMAICA. Ashley Hall savanna, Lower Clarendon, 6 December 1917, Harris 12731 (K).

Zenodo (CERN European Organization for Nuclear Research)
Royal Botanic Garden Edinburgh (GB), Royal Botanic Gardens, Kew (GB), Universidade Estadual Paulista (Unesp) (BR)
Life in Land
Openalex Percentile: Top 70%
Geochemistry and Geologic Mapping
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