e-Key <span id="jodit_selection_marker_1710497872783_12968024198101635" data-jodit_selection_marker="start" style="line-height: 0; display: none;"></span>v3 - Lachnosp<span id="jodit_selection_marker_1710497872783_21156384854430543" data-jodit_selection_marker="end" style="line-height: 0; display: none;"></span>ermum
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Interactive keys to the identification of seed plants of southern Africa using keys based on plant morphology.

Asteraceae - Gnaphalieae - Lachnospermum Willd.

Description:

  • Shrublets, slightly greyish-woolly
  • Leaves alternate, ericoid, somewhat twisted, in fascicles, involute, adaxially tomentose
  • Capitula discoid, 16-45-flowered with florets bisexual and fertile, solitary at apices of branches or 2 or 3 together and corymbose
  • Involucre ellipsoid to campanulate, bracts in ± 10 rows, lanceolate, tips acute or obtuse, usually reddish, woolly on backs; stereome undivided
  • Receptacle flat, epaleate or with a few scattered paleae between outer florets; paleae ± as long as corolla, sometimes sparsely ciliate
  • Ray florets 0
  • Disc florets sometimes widened above, with 5 oblong lobes, lobes hairy on outer side
  • Anthers tailed, with a lanceolate, apical appendage
  • Style terete, somewhat swollen at base, sometimes seated on annular disc, with linear, truncate branches
  • Cypselas ± terete, 4- or 5-angled, hairy on ribs, hairs long and unicellular, sometimes also multicellular, gland-tipped hairs; annulus well-developed
  • Pappus of shortly barbellate bristles as long as corolla and sometimes overtopping

Nomenclature:

  • Lachnospermum Willd.
    • Willdenow: 1787 (1803)
    • Harvey: 272 (1865)
    • Pillans: 87 (1954)
    • Hilliard & Burtt: 218 (1981)
    • Anderberg: 74 (1991)
    • Anderberg: 331 (1994)
  • Carpholoma D.Don
    • Don: 555 (1826).
  • Erythropogon DC.
    • Candolle: 254 (1838).
  • Tuloclinia Rafin.
    • Rafinesque: 119 (1838)

Distribution & Notes:

  • Southern Africa: Species 3, endemic to Western Cape

References:

  • ANDERBERG, A.A. 1991. Taxonomy and phylogeny of the tribe Gnaphalieae (Asteraceae). Opera Botanica 104
  • ANDERBERG, A.A. 1994. Tribes Inuleae, Plucheeae, Gnaphalieae. In K. Bremer, Asteraceae, cladistics and classification. Timber Press, Portland, Oregon
  • CANDOLLE, A.P. DE. 1838. Compositae. Prodromus 6. Treuttel & Würtz, Paris
  • DON, D. 1826. Memoir on the classification and division of Gnaphalium and Xeranthemum of Linnaeus. Memoirs of the Wernerian Natural History Society Edinburgh 5
  • HARVEY, W.H. 1865. Compositae. Flora capensis 3
  • HILLIARD, O.M. & BURTT, B.L. 1981. Some generic concepts in Compositae - Gnaphaliinae. Botanical Journal of the Linnean Society 82
  • PILLANS, N.S. 1954. A revision of Metalasia. Journal of South African Botany 20
  • RAFINESQUE, C.S. 1838. Flora Telluriana 4. Published by author, Philadelphia
  • WILLDENOW, C.L. 1803. Species plantarum 3. Nauk, Berlin