e-Key v3 - Chondropetalum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Restionaceae - Chondropetalum Rottb.

Description :

  • Plants caespitose or with long or short rhizomes
  • Culms usually simple, branching only in 1 species ( C. microcarpum (Kunth) Pillans)
  • Leaf sheaths caducous or semipersistent if culms are branching
  • Male inflorescence of many small, poorly defined spikelets aggregated at several fertile nodes, overtopped by caducous spathes
  • Male spikelets with few to many florets, usually somewhat compressed, with few to 0 sterile bracts; perianth ± trigonous or compressed, often somewhat arcuate, usually much longer than subtending bract; segments 6, in 2 whorls, outer lateral ones boat-shaped, mostly keeled, glabrous or villous on keel, inner oblong or lanceolate, dorsally rounded; anthers ovate-oblong, with a prominent apiculus; ovary rudimentary
  • Female inflorescence resembling male
  • Female spikelets resembling male, generally fewer and more crowded; perianth trigonous or compressed; perianth segments osseous, often black, subequal or inner longer than outer, outer segments not keeled; staminodes well developed, strap-shaped; ovary trigonous, 3-lobed or compressed 3-locular; styles 3, free, plumose
  • Fruit a dehiscent 1-3-seeded capsule
  • Seeds highly ornamented

Nomenclature:

  • Chondropetalum Rottb.
    • Rottbøll: 12 (1772)
    • Pillans: 297 (1928), including Dovea Kunth and Askidiosperma Steud.
    • Linder: 427 (1985)
    • Linder: 247 (1991)
  • Dovea Kunth
    • Kunth: 457 (1841)
    • Masters: 99 (1897)

Distribution & Notes:

  • Southern Africa : Species ± 12, mainly Western Cape, from Clanwilliam District to Albany in Eastern Cape

References:

  • KUNTH, C.S. 1841. Enumeratio plantarum , Vol. 3. Cotta, Stuttgart
  • LINDER, H.P. 1985. Conspectus of the African species of Restionaceae . Bothalia 15
  • LINDER, H.P. 1991. A review of the southern African Restionaceae . Contributions from the Bolus Herbarium 13
  • MASTERS, M.T. 1897. Restiaceae . Flora capensis 7
  • PILLANS, N.S. 1928. The African genera and species of Restionaceae . Transactions of the Royal Society of South Africa 16
  • ROTTBØLL, C.F. 1772. Descriptiones plantarum rariorum . N. Möller, Copenhagen