Cardiospermum halicacabum It is commonly known as balloon vine, bishop’s cap, heart-leaved pea, heart pea, heart seed, leaved-heart pea, love-in-a-puff, smooth leaved heart pea and winter cherry. It is Climbers, herbaceous, 1-1.5 m. Stems and branches green, 5- or 6-sulcate, slender, glabrous or sparsely hairy. Leaves biternate, triangular in outline; petioles 3-4 cm; leaflets subsessile; blades thinly papery, margin sparsely serrate or pinnately parted, abaxially sparsely villous on midvein and lateral veins, adaxially subglabrous or sparsely pilosulose; terminal blade obliquely lanceolate or subrhombic, 3-8 × 1.5-2.5 cm, apex acuminate; lateral ones slightly smaller, ovate or narrowly elliptic. Panicles few flowered, ca. as long as or slightly longer than leaves; peduncles straight, 4-8 cm, tendrils spiralled. Sepals 4, ciliate, outer 2 ovate, 8-10 mm, inner 2 narrowly elliptic, ca. 2 × as long as outer ones. Petals milky-white, obovate. Stamens (ma...