Eriosema (De Candolle, 1825) Desvaux, 1826
publication ID |
https://doi.org/ 10.11646/phytotaxa.178.3.11 |
DOI |
https://doi.org/10.5281/zenodo.5150970 |
persistent identifier |
https://treatment.plazi.org/id/0394133A-FFD1-9326-D5C2-E9680AF9F801 |
treatment provided by |
Felipe (2021-07-29 10:29:45, last updated by Plazi 2023-11-03 16:34:21) |
scientific name |
Eriosema |
status |
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Key to the species of Eriosema View in CoL in Minas Gerais, Brazil
1 Leaves unifoliolate ........................................................................................................................................................................... 2
- Leaves usually trifoliolate, but sometimes the basal ones unifoliolate ............................................................................................. 7
2 Stipules free, leaflets obovate ............................................................................................................................ E. obovatum Benth. View in CoL
- Stipules fully or partially fused, leaflets linear, lanceolate, elliptical and ovate .............................................................................. 3
3 Leaflets linear, base acute, with the appearance of a rigid stick................................................................... E. stenophyllum Harms View in CoL
- Leaflets mostly ovate to lanceolate, base obtuse to cordate, never with the appearance of a rigid stick.......................................... 4
4 Stipules deciduous; leaflets conspicuously variable in size on the same plant ........................... E. benthamianum Mart. ex Benth. View in CoL
- Stipules persistent; leaflets uniform in size on the same plant ..........................................................................................................5
5 Subshrubs erect or ascending; stems usually glabrous or glabrescent; leaflets coriaceous; inflorescence densely white-sericeous (rarely pubescent) ................................................................................................................................................. E. rigidum Benth. View in CoL
- Subshrubs prostrate, rarely erect; stems pubescent; leaflets membranaceous to slightly coriaceous; inflorescences glabrescent to pubescent ........................................................................................................................................................................................... 6
6 Racemes with 8–15 flowers, usually longer than mature leaves................................................................. E. heterophyllum Benth. View in CoL
- Racemes with 2–10 flowers, usually shorter than mature leaves...................................................... E. simplicifolium (DC.) G.Don View in CoL
7 Fully developed racemes longer than adjacent leaves .......................................................................................................................8
- Fully developed racemes shorter than adjacent leaves.....................................................................................................................14
8 Stems glabrous or glabrescent; leaflets with three veins clearly marked................................................ E. glabrum Mart. ex Benth. View in CoL
- Stems pubescent; leaflets without clearly marked veins ................................................................................................................... 9
9 Stems procumbent ...........................................................................................................................................................................10
- Stems erects or ascending ................................................................................................................................................................11
10 Leaflets membranaceous, base acute, stems copiously hirsute .......................................................................... E. prorepens Benth. View in CoL
- Leaflets thin-coriaceous, base obtuse or subcordate (rare acute), stems sparsely pilose ...................................... E. glaziovii Harms View in CoL
11 Plants with caducous leaves (or nearly so) when fertile..................................................................................... E. defoliatum Benth. View in CoL
- Plants with persistent leaves when fertile.........................................................................................................................................12
12 Flowers 10–15 mm long ..................................................................................................................................................... E. tozziae View in CoL
- Flowers 21–30 mm long...................................................................................................................................................................13
13 Leaflets obovate, silvery-pilose on the abaxial surface, contrasting with rufous-pubescent veins, base acute or obtuse.................... .................................................................................................................................................................................. E. riedelli Benth.
- Leaflets elliptic, rufous-pubescent on the abaxial surface, not contrasting with the veins, base mostly cordate ................................ ......................................................................................................................................................................... E. longiflorum Benth. View in CoL
14 Leaflets usually less than five times longer than wide.....................................................................................................................15
- Leaflets usually more than five times longer than wide...................................................................................................................20
15 Stems glabrescent or cinereous to whitish pubescent.......................................................................................................................16
- Stems yellowish, rufous- or ferrugineous-pubescent .......................................................................................................................18
16 Plants with leaves only near the branch apex at anthesis .................................................. E. hatschbachii Fort. View in CoL -Perez & G.P.Lewis
- Plants with scattered leaves throughout the branch length or leaves caducous at anthesis..............................................................17
17 Stipules caducous; leaves caducous at anthesis................................................................................................. E. congestum Benth. View in CoL
- Stipules persistent; leaves persistent at anthesis............................................................................................. E. floribundum Benth. View in CoL
18 Leaflets oblong-lanceolate with parallel secondary veins.............................................................................. E. pycnanthum Benth. View in CoL
- Leaflets ovate, obovate, elliptic to orbicular, without parallel secondary veins...............................................................................19
19. Plants erect, densely rufous-pilose or ferrugineous-pubescent .................................................................. E. rufum (Kunth) G.Don View in CoL
- Plants prostrate, yellow-pubescent .................................................................................................................... E. campestre Benth. View in CoL
20 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 ............................................................21
21 Stems whitish to cinereous-pubescent................................................................................................................... E. strictum Benth. View in CoL
- Stems ferrugineous or rufous-pubescent ..........................................................................................................................................22
22 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
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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