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Leguminosae
Synonyms
S. gracilis var. rostrata.
Description
Upright plant, 0.6 to 1.2 m high with yellow to creamy flowers;
pod pubescent with beak shorter than the upper articulation; stem without
viscid hairs, leaflets not punctate, and articulation is fertile (Mohlenbrock,
1963).
Distribution
Occurs in Brazil, Paraguay, Uruguay, Bolivia, Argentina and
Colombia . The CSIRO Australian introduction is CPI 11492, from Uruguay.
Characteristics
A sparse perennial fodder plant. 'T Mannetje (1965) showed
it to be a long-day plant which can be found dormant under photoperiods
of eight and ten hours. It flowered in 68 days under a 12-hour regime and
in 64 days with 14 hours. Dry-matter production in a 12-hour photoperiod
was nearly seven times that in the 10-hour treatment.
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