Shrubs deciduous, 2-4 m tall. Petiole 1-2 cm; leaf blade ovate or oblong-ovate to oblong-elliptic, or suborbicular, 5-12 × 3-7 cm, papery to membranous, abaxially glabrous or sparsely pubescent along midvein and lateral veins, adaxially glabrous, lateral veins 5-or 6-paired, raised on both sides, base usually subcordate, or obtuse, margin crenate-serrate, apex acuminate to shortly caudate-acuminate, or rarely retuse. Spikes 5-10 cm. Flowers opening before leaves appear, yellow, ca. 7 mm, subsessile or shortly pedicellate; bract triangular-ovate, ca. 3 mm, apex acute; bracteoles ovate, ca. 2 cm. Sepals yellow-green, ovate, ca. 3.5 mm, apex obtuse. Petals ovate, ca. 6.5 mm, apex rounded. Ovary bottle-shaped, puberulous; style ca. 2 mm. Fruit globose, 6-7 mm in diam., glabrous. Fl. Mar-Apr, fr. May-Jul. 2n = 24*.
Home