Botanical name: Alangium alpinum Family: Cornaceae (Dogwood family)
Synonyms: Marlea begoniifolia var. alpina
Mountain Alangium is a deciduous tree, growing up to 12 m tall. Branchlets are ascending, with internodes obscurely angular. Leaf stalk is 3.5-5 cm long, with a leaf blade nearly circular, ovate, or oblong-ovate, 6-16 cm long, 5-13 cm broad, papery. Leaf base is rounded, or heart-shaped, margin is wavy, and the tip long pointed. Flowers are borne in 3-flowered clusters in leaf axils. They are 4-10 cm long. Flower stalk is about 1 cm long, up to 3 cm in fruit. Sepals are 6-8. Petals are 6-8, linear, 1.8-2.3 cm long. Stamens are 6-8, with filaments 5-6 mm. Fruit is ellipsoid, about 2 × 0.8-0.9 cm, with a single seed. Flowering: January-August.
The flower labeled Mountain Alangium is ...