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Acalypha macrostachya

Description

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Family Euphorbiaceae

The Euphorbiaceae are mostly monoecious herbs, shrubs , and trees , sometimes succulent and cactus-like, comprising one of the largest families of plants with about 300 genera and 7,500 species that are further characterized by the frequent occurrence of milky sap . The leaves are mostly alternate but may be opposite or whorled and they are simple , or compound , or sometimes highly reduced. Stipules are generally present but may be reduced to hairs , glands or spines. The flowers are unisexual and usually actinomorphic . They may be highly reduced by suppression of parts, in the extreme form consisting of a naked stamen as a male flower and a naked pistil as a female flower. A specialized type of miniature inflorescence called a cyathium occurs in about 1,500 species comprising the genera Euphorbia and Chamaesyce. The cyathium consists of a single naked pistillate flower surrounded by cymes of naked staminate flowers, each consisting of a single stamen. These flowers are all enclosed in a cup-like involucre that typically is provided with peripheral nectaries and petaloid appendages such that the whole aggregation closely resembles a single flower. In other members of the family the flowers and inflorescences are more ordinary in appearance , with male and female flowers typically bearing a 5-merous calyx and corolla of distinct segments, although the corolla is sometimes absent. In these forms the androecium most commonly consists of 5, 10 or sometimes numerous distinct or monadelphous stamens. The gynoecium of female flowers consists of a single compound pistil of typically 3 carpels, an equal number of styles or primary style branches, and a superior ovary with typically 3 locules, each bearing 1 or 2 collateral , axile-apical pendulous ovules. The fruit is usually a capsular schizocarp. -- Gerald Carr.

Taxonomy

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Unambiguous Synonyms

  1. Acalypha amplifolia Rusby
  2. Acalypha callosa Benth.
  3. Acalypha cancana Müll. Arg.
  4. Acalypha caucana Müll. Arg.
  5. Acalypha caudata Kunth
  6. Acalypha cucullata Poir.
  7. Acalypha fertilis Standl. & L. O. Williams
  8. Acalypha foliosa Rusby
  9. Acalypha heterodonta Müll. Arg.
  10. Acalypha heterodonta var. hirsuta Müll. Arg.
  11. Acalypha heterodonta var. psilocarpa Müll. Arg.
  12. Acalypha heterodonta var. psiloclada Müll. Arg.
  13. Acalypha heterodonta var. trichoclada Müll. Arg.
  14. Acalypha hicksii Riley
  15. Acalypha hirsutissima Willd.
  16. Acalypha lehmanniana Pax
  17. Acalypha macrophylla Kunth
  18. Acalypha macrostachya forma androgyna Müll. Arg.
  19. Acalypha macrostachya forma macrophylla /i> (Kunth) Müll. Arg.
  20. Acalypha macrostachya forma puberula Müll. Arg.
  21. Acalypha macrostachya forma tristis /i> (Poepp.) Müll. Arg.
  22. Acalypha macrostachya var. genuina Müll. Arg.
  23. Acalypha macrostachya var. hirsutissima (Willd.) Müll. Arg.
  24. Acalypha macrostachya var. macrophylla (Kunth) Müll. Arg.
  25. Acalypha macrostachya var. puberula Müll. Arg.
  26. Acalypha macrostachya var. sidifolia (Kunth) Müll. Arg.
  27. Acalypha macrostachya var. tristis (Poepp.) Müll. Arg.
  28. Acalypha neogranatensis Müll. Arg.
  29. Acalypha obtusifolia Pax & K. Hoffm.
  30. Acalypha piperoides Klotzsch Ex Pax & K. Hoffm.
  31. Acalypha pittieri Pax & K. Hoffm.
  32. Acalypha seemannii Klotzsch
  33. Acalypha sidifolia Kunth
  34. Acalypha tarapotensis Müll. Arg.
  35. Acalypha tristis Poepp.
  36. Ricinocarpus callosus (Benth.) Kuntze
  37. Ricinocarpus cancanus /i> (Müll. Arg.) Kuntze
  38. Ricinocarpus heterodontus /i> (Müll. Arg.) Kuntze
  39. Ricinocarpus macrostachyus (Jacq.) Kuntze
  40. Ricinocarpus neogranatensis /i> (Müll. Arg.) Kuntze
  41. Ricinocarpus tarapotensis /i> (Müll. Arg.) Kuntze

Notes

Publication : Nov. Gen. Sp. Pl. (Poeppig & Endlicher) 3: 22 1845 Publishing author : Kunth Publication: Nov. Gen. Sp. [H.B.K.] 2: 95 1817 Publishing author: Klotzsch Publication: in Seem. Bot. Voy. Herald, 102 Publishing author: Pax & K .Hoffm. Publication: Pflanzenr. (Engler) Euphorb.-Croton.-Acalyph. 18 (1924) Publishing author: Klotzsch ex Pax & K.Hoffm. Publication: Pflanzenr. (Engler) Euphorb.-Croton.-Acalyph. 145 (1924), in syn. Publishing author: Pax & K.Hoffm. Publication: Pflanzenr. (Engler) Euphorb.-Croton.-Acalyph. 147 (1924) Publishing author: Engl. Publication: Bot. Jahrb. Syst. xxvi. 505. Publishing author: Willd. Publication: Sp. Pl., ed. 4. 4: 528 1805 Publishing author: Riley Publication: Bull . Misc. Inform. Kew 1927, 126. Publishing author: Standl. & L.O.Williams Publication: Ceiba i. 146 (1950). Publishing author: Poir. Publication: Encyc. Suppl. iv . 683 Publishing author: H.B. & K. Publication: Nov. Gen. Sp. [H.B.K.] ii. 95 Publishing author: Pax & K.Hoffm. Publication: Pflanzenr. (Engler) 4, Fam. 147, xvi: 149 1924 Publishing author: Müll.Arg. Publication: in Flora xlvii. (1864) 438 Publishing author: Benth. Publishing author: Müll.Arg. Publication: Fl. Bras. (Martius) 11, pt . 2: 345 1874 Publishing author: Müll.Arg. Basionym author: (Kunth) Publishing author: Muller Arg in Mart. Basionym author: (Kunth) Publishing author: Müll.Arg. Publication: Linnaea 34: 11 1865 Publishing author: Müll.Arg. Publication: Linnaea 34: 12 1865 Name Status: Accepted Name . Latest taxonomic scrutiny: Govaerts R., 11-Nov-2003

Similar Species

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Members of the genus Acalypha

ZipcodeZoo has pages for 736 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them:

A. abingdonii · A. acapulcensis · A. accedens · A. accedens f. brachyandra · A. acrogyna · A. acuminata · A. adenophora · A. adenostachya · A. afrestis · A. agrestis · A. akoensis · A. alchorneoides · A. alexandri · A. alexandrii · A. aliena · A. allenii · A. alnifolia · A. alopecuroidea (Fox-Tail Copper-Leaf) · A. alopecuroidea var. glanduligera · A. alopecuroides · A. amantacea · A. ambigua · A. ambiodonta · A. ambliodonta · A. amblyodonta · A. amboynensis · A. amentacea (Fire Dragon Acalypha) · A. amentacea amentacea · A. amentacea subsp. wilkesiana · A. amentacea var. grandis · A. amentacea var. heterotricha · A. amentacea var. palauensis · A. amentacea var. trukensis · A. amentacea var. velutina · A. amentacea wilkesiana (Wilkes' Acalypha) · A. amphigyne · A. amplexicaulis · A. ampliata · A. amplifolia · A. anadenia · A. andina · A. andringitrensis · A. anemioides · A. angustata · A. angustifolia · A. angustissima · A. annobonae · A. apetiolata · A. apodanthes · A. arborea · A. arciana · A. argomuelleri · A. argomulleri · A. aristata (Field Copperleaf) · A. aronioides · A. arvensis · A. aspericocca · A. asterifolia · A. australis (Australian Acalypha) · A. bakeriana · A. balansae · A. baroni · A. baronii · A. benensis · A. benguelensis · A. berteriana (Berteron Acalypha) · A. berteroana · A. betulaefolia · A. bilbergiana · A. bipartita · A. bisetosa (Streambank Copperleaf) · A. boinensis · A. boiviniana · A. boliviensis · A. bopiana · A. botteriana · A. brachiata · A. brachyclada · A. brachystachya · A. bracteata · A. brasiliensis · A. brasiliensis f. obtusa · A. brevibracteata · A. brevicaulis · A. brevipetiolata · A. brittoni · A. brittonii · A. buchtieni · A. buchtienii · A. buddleifolia · A. bullata · A. burquezii · A. bussei · A. caeciliae · A. californica (California Copperleaf) · A. calyciformis · A. campylostyla · A. capensis · A. caperonioides · A. capillaris

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 15, 2007:

Identifiers

Last Revised: 7/2/2009