All Floras      Advanced Search
FOC Vol. 5 Page 427 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 5 | Amaranthaceae | Alternanthera

2. Alternanthera pungens Kunth in Humboldt & Bonpland, Nov. Gen. Sp. 2: 206. 1818.

刺花莲子草 ci hua lian zi cao

Achyranthes repens Linnaeus; Alternanthera repens (Linnaeus) Link.

Herbs annual. Stem diffuse, creeping, much branched, 20-30 cm tall, densely rigidly hairy. Petiole 3-10 mm, glabrous or hairy; leaf blade ovate, obovate, or elliptic-obovate, 1.5-4.5 × 0.5-1.5 cm, unequal in each pair, glabrous or annexed pilose, base acuminate, apex obtuse. Heads sessile, 1-3, axillary, white, globose or oblong, 5-10 mm. Bracts lanceolate, ca. 4 mm, spiny at apex; bracteoles lanceolate, 3-4 mm, apex acuminate, without spines. Tepals unequal, outer 2 lanceolate, ca. 5 mm, 3-veined below, rigid after anthesis, midvein stretching into spines; central segment elliptic, 3-3.5 mm, compressed; inner 2 small, enclosing ovary. Stamens 5; filaments 0.5-0.8 mm; pseudostaminodes shorter than filaments, entire or irregularly dentate. Style very short. Utricles brown, broadly ellipsoid, 1-1.5 mm. Fl. May, fr. Jul.

Roadsides. Fujian, Sichuan [native to South America; naturalized in Bhutan, Myanmar, Thailand, ?other parts of Indo-China, Australia, and United States].

One of us (Clemants) notes that the name Alternanthera pungens has been misapplied here and that this taxon should instead be treated as A. caracasana Humboldt et al.


Related Objects  

Flora of North America  
  • Distribution Map
  • Map
    Flora of Pakistan  
  • Illustration (M.Y. Saleem)
  • Image/JPEG
    Photos by The Biodiversity of the Hengduan Mountains Project  
  • Image/JPEG (David E. Boufford)
  • Image/JPEG

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




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