leguminous plant vs cowpea plant

Other hyponyms of leguminous plant include Arachis hypogaea, peanut, peanut vine, chickpea, chickpea plant, Cicer arietinum, Egyptian pea, cluster bean, Cyamopsis psoraloides, Cyamopsis tetragonolobus, guar, Glycine max, soja, soja bean, soy, soya, soya bean, soybean, soybean plant, wild pea, Lens culinaris, lentil, lentil plant, Dolichos biflorus, horse grain, horse gram, Macrotyloma uniflorum, poor man's pulse, crazy weed, crazyweed, locoweed, bean, bean plant, pea, pea plant, sesbania, vetch, moth bean, Phaseolus aconitifolius, Vigna aconitifolia, adsuki bean, adzuki bean, Phaseolus angularis, Vigna angularis, corkscrew flower, Phaseolus caracalla, snail-flower, snail bean, snail flower, snailflower, Vigna caracalla, mung, mung bean, mung bean plant, Phaseolus aureus, Vigna radiata, black-eyed pea, cowpea, Vigna sinensis, Vigna unguiculata, asparagus bean, Vigna sesquipedalis, Vigna unguiculata sesquipedalis, yard-long bean.