All Floras      Advanced Search
Login | eFloras Home | Help
Chinese Plant Names | Family List | Simaroubaceae | Ailanthus

Ailanthus altissimus (Mill.) Swingle


Description from Flora of China

Trees, deciduous, up to 20 m tall; bark smooth and straightly grained. Branches with pith, yellow or yellow-brown pubescent when young, then glabrescent. Leaves odd-pinnate, 40-60 cm; petiole 7-13 cm; leaflets 13-27, opposite or nearly so; blades ovate-lanceolate, abaxially dark green, adaxially gray-green, smelly when rubbed. Panicles 10-30 cm. Flowers light green; pedicel 1-2.5 mm. Sepals 5, imbricate, 0.5-1 mm. Petals 5, 2-2.5 mm, base hispid. Stamens 10; filaments densely hispid basally, longer than petals in males, shorter than petals in females; anthers oblong, ca. 1 mm. Carpels 5; styles connate; stigmas 5-lobed. Samarium oblong, 3-4.5 × 1-1.2 cm. Seed in middle of wing, flat-globose. Fl. Apr-May, fr. Aug-Oct.

● Found in many habitats; 100-2500 m. All regions of China except Hainan, Heilongjiang, Jilin, Ningxia, Qinghai [widely cultivated and naturalized elsewhere].


Related Objects  

Flora of Pakistan  
  • Illustration (M. Rafique)
  • Illustration

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |