Eriosema (De Candolle, 1825) Desvaux, 1826

Cândido, Elisa Silva, Vargas, Wanderleia De, Vatanparast, Mohammad, Mansano, Vidal De Freitas, Machado, Silvia Rodrigues & Fortuna-Perez, Ana Paula, 2016, A New Species of Eriosema (Leguminosae, Papilionoideae, Phaseoleae) from Mato Grosso do Sul, Brazil, with a Secretory Structure Novel to the Genus, Phytotaxa 263 (2), pp. 122-130 : 128

publication ID

https://doi.org/ 10.11646/phytotaxa.263.2.4

persistent identifier

https://treatment.plazi.org/id/A93787D0-184B-181F-FF00-FE00FA1752F7

treatment provided by

Felipe

scientific name

Eriosema
status

 

Key to the species of Eriosema View in CoL in Mato Grosso do Sul, Brazil

1 Leaves unifoliolate ............................................................................................................................................................................ 2

- Leaves trifoliolate.............................................................................................................................................................................. 6

2 Stipules free........................................................................................................................................................................................3

- Stipules fully or partially fused ..........................................................................................................................................................4

3 Racemes 3–5 cm long, with 3–5 flowers, pubescent........................................................................................... E. obovatum Benth. View in CoL

- Racemes 7–15 cm long, with 6–10 flowers, villous............................................................................................................. E. grearii View in CoL

4 Stipules deciduous; leaflets conspicuously variable in size on the same plant ............................ E. benthamianum Mart. ex Benth. View in CoL

- Stipules persistent; leaflets usually uniform in size on the same plant ..............................................................................................5

5 Racemes with 2–7 flowers, usually shorter than mature leaves....................................................... E. simplicifolium (DC.) G.Don View in CoL

- Racemes with 8–20 flowers, usually longer than mature leaves................................................................. E. heterophyllum Benth. View in CoL

6 Flowers 21–30 mm long........................................................................................................................................... E. riedelii Benth. View in CoL

- Flowers up to 18 mm long..................................................................................................................................................................7

7 Leaflets usually less than five times as long as wide .........................................................................................................................8

- Leaflets usually more than five times as long as wide .................................................................................................................... 10

8 Stems glabrescent or cinereous-pubescent ..................................................................................................... E. platycarpon Micheli View in CoL

- Stems yellowish, rufous- or ferruginous-pubescent ...........................................................................................................................9

9 Plants densely rufous-pilose or ferruginous-pubescent............................................................................... E. rufum (Kunth) G.Don View in CoL

- Plants yellow-pubescent ...................................................................................................................................... E. campestre Benth. View in CoL

10 Leaflets elliptic to narrowly elliptic, the standard with a retuse apex ................................................... E. tacuaremboense Arechav. View in CoL

- Leaflets linear, lanceolate or rarely narrowly elliptic; the standard with an apiculate apex ............................................................11

11 Stems whitish to cinereous-pubescent.................................................................................................................... E. strictum Benth. View in CoL

- Stems ferruginous or rufous-pubescent ............................................................................................................................................12

12 Racemes with 4–5 flowers....................................................................................................................... E. crinitum (Kunth) G.Don View in CoL

- Racemes with more than 8 flowers .................................................................................................................. E. longifolium Benth. View in CoL

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Fabales

Family

Fabaceae

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF