41. The tiny green to yellow flowers without petals grow in clusters in the denticulate leaflike stipules . 42. It has opposite leaves, trifoliate with spinescent stipules , a pink corolla and smooth fruits. 43. The leaf petioles are less than 15 mm in length and the stipules are also deciduous. 44. Stipules are either small or none.45. Stipules lanceolate, lacerate, acuminate.46. There are " oil glands " present at the base of the leaf stipules . 47. The specific epithet " " is from the Latin meaning " wide stipule ". 48. The stipules are persistent, open, green when fresh, drying to olive or brownish. 49. The stipules are triangle shaped to oppositely heart shaped, without spikes, with long petioles. 50. They have large pinnate leaves with prominent stipules , and erect racemes of nectar-rich flowers.
