Capsule, triangulate, 1.5-2.0 cm long, ca. Male flowers of Poinsettia are numerous, often protruding outside the involucre Bracts are filiform, pilose Poinsettia has 1 female flowers, ovary stalks distinctly protruding beyond involucre, glabrous Ovary is smooth Style 3, connate below middle Stigma is 2-lobed. The Poinsettia (Euphorbia pulcherrima Willd) is a number of cymbals arranged on the top of the branch Pedicle is 3 - 4 mm long Involucral bracts are altar-shaped, pale green, 7 - 9 mm tall, 6 - 8 mm in diam., margin dentate 5-lobed, lobes triangular, glabrous Poinsettia has 1 gland, rarely 2, yellow, normally compressed, two-lipped, 4-5 mm long, about 3 mm wide. Leaves are alternate, ovate-elliptic, oblong-elliptic, or lanceolate, 6-25 cm long, 4-10 cm wide, apex acuminate or acute, base cuneate or attenuate, green, margin entire or lobed or undulate lobed, face pubescent or glabrous, back of leaves pubescent Petiole of Poinsettia is 2-5 cm long, glabrous Without stipule Poinsettia has 5-7 bracts, narrowly elliptic, 3 - 7 cm long, 1 - 2 cm wide, usually entire, margin rarely shallowly undulate, vermilion Petiole is 2-6 cm long. Poinsettia (Euphorbia pulcherrima Willd) is a terete root with very many branches.Stems erect, 1-3 (4) m tall, 1-4 (5) cm in diameter, glabrous. Inflorescences are cup-shaped cymose arrangement, terminal Involucre is pale green, margin with teeth and 1 to 2 large yellow glands Male flowers of Poinsettia are petiolate, perianth absent Female flowers are solitary, central involucre Natural flowering period of Poinsettia is in winter. Ovate-elliptic, entire or undulate lobed, sometimes viola-shaped, apical leaf blade narrower, lanceolate Leaves of Poinsettia are hairy, thin leaf texture, veins obvious The leaves near the top of the inflorescence are bracts, and the Poinsettia are red when flowering.
The Fruit matures from September to October, and the flowering period is from December to March of the next year. Poinsettia (Euphorbia pulcherrima Willd) is a capsule fruit. The Poinsettia's flowers are made up of leaf-like, brightly colored bracts (" twisted leaves "), with the real flowers being a cluster of tiny yellow-green flowers in the middle. Poinsettia (Euphorbia pulcherrima Willd) is alternate Cupliform cymes, each inflorescence has only 1 stamen and 1 pistil, under which a bright red involucre is formed, leaf shape, gorgeous color, is the main part of the ornamental. Smooth stem, green shoots, dark brown older branches. Poinsettia (Euphorbia pulcherrima Willd) are evergreen shrubs, 50 - 300 cm tall, with white milky stems and leaves.
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