All Floras      Advanced Search
Login | eFloras Home | Help
Hansen & Rahn | Family List

Cactaceae A. L. Jussieu

habit
woody plants, herbaceous plants

important diagnostics
milky juice present, spiny stems or leaves, cladodes or phyllodes

distribution
African, Asian, North American, South American

leaf: position
alternate

leaf: nature
not compound

leaf: venation
pinnate or hardly visible in leaves or leaflets.

margin
with entire margin

leaf: stipules
absent

inflorescence
solitary

flower: sexuality
bisexual

flower: symmetry
actinomorphic

flower: receptacle
enlarged, completely united with the ovary, totally or partially covering it, enlarged, totally or partially free from the ovary

flower: disc
absent

flower: perianth number
7+

flower: perianth nature
perianth of similar segments, perianth of calyx and corolla

flower: sepal number
4, 5, 6+

flower: sepal position
all free from one another, connate

flower: sepal nature
sepals imbricate or contorted

flower: petal number
4, 5, 6, 7, 8, 9, 10, 11+

flower: petal position
all free from one another, petals connate, petals imbricate

stamen: number
11+

stamen: anthers
dorsifixed or ventrifixed, basifixed, introrse, opening by longitudinal slits

stamen: filaments
free from the corolla, inserted on the corolla, not connate, connate into 1 tube or bundle

pistil: style
style 1, or styles more or less connate

pistil: carpel
2, 3, 4, 5, 6+

pistil: ovary
1-locular

pistil: ovule
3+ in each loculus

pistil
ovules parietal, carpels connate, ovules attached to the base of the ovary

fruit: type
fleshy

fruit: seed
3+ seeds

seed: aril
arillus or arill-like organs present

seed: embryo
straight

seed: endosperm
seeds without endosperm, seeds with endosperm


 

Related Objects  

A Checklist for the South China Botanical Garden, Guangzhou, Guangdong Province, P. R. China  
  • Opuntia compressa (Xiangying Wen)
  • Image/JPEG
    Chinese Plant Names  
  • Echinopsis (Trees and shrubs of the Andes of Ecuador)
  • Image/JPEG
    Flora of China  
  • Cactaceae.pdf
  • PDF
    Interactive Keys by Xiangying Wen  
  • Echinopsis (Trees and shrubs of the Andes of Ecuador)
  • Image/JPEG
  • Opuntia compressa (Xiangying Wen)
  • Image/JPEG
  • Opuntia compressa (Xiangying Wen)
  • Image/JPEG
  • Opuntia macrorhiza (Xiangying Wen)
  • Image/JPEG

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