Comparative systematic study of colleters and stipules of Rhizophoraceae with implications for adaptation to challenging environments

Chiou Rong Sheue, Peter Chesson, Ying Ju Chen, Szu Yang Wu, Yeh Hua Wu, Jean W H Yong, Te Yu Guu, Chung Lu Lim, Razafiharimina Marie Agnès Randrianasolo, Mialy Harindra Razanajatovo, Yuen Po Yang

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Colleters are multicellular secretory structures found on various organs in flowering plants. Colleters on the adaxial sides of stipules have been hypothesized to play a role in protecting the developing shoot. Rhizophoraceae is a stipulate family with a broad distribution from mangrove to montane environments, which makes the family well suited for the examination of this hypothesis, but the colleters of Rhizophoraceae are not well known. We compared species from all three tribes of Rhizophoraceae, including five inland genera and all four mangrove genera. In all species, several to hundreds of colleters, sessile or stalked, arranged in rows aggregated in genus-specific shapes, are found at the adaxial bases of open and closed stipules. Pellacalyx uniquely has additional colleters at the stipule margins. Colleters are all of the standard type, comprising a central axis of core parenchyma with large vacuoles and tannins, and an outer palisade-like epidermis with organelles involved in secretory activity. An exception is Pellacalyx axillaris, in which colleters appear as extremely small epidermal protrusions. Kandelia obovata has a tracheary element in some colleters. Pellacalyx uniquely has an unusual fleshy outgrowth on the adaxial stipule base. We propose an evolutionary sequence in which Macarisia has plesiomorphic stipule and colleter traits and the mangrove Kandelia obovata with colleter vascular traces is most derived. Colleter and stipule structures are largely concordant with habitat and phylogeny, and show taxonomic value. The strong alignment of colleter and stipule patterns with habitat is suggestive that colleters have a protective function, although some components of these patterns may be phylogenetically determined.

Original languageEnglish (US)
Pages (from-to)449-464
Number of pages16
JournalBotanical Journal of the Linnean Society
Volume172
Issue number4
DOIs
StatePublished - Aug 2013

Fingerprint

Rhizophoraceae
trichomes
mangrove
comparative study
mountain environment
tannin
habitat
angiosperm
phylogeny
shoot
tracheary elements
family
epidermis (plant)
habitats
blood vessels

Keywords

  • Cassipourea
  • Fleshy outgrowth
  • Gynotroches
  • Kandelia
  • Macarisia
  • Mangroves
  • Pellacalyx
  • Standard type
  • Ultrastructure.

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

Cite this

Comparative systematic study of colleters and stipules of Rhizophoraceae with implications for adaptation to challenging environments. / Sheue, Chiou Rong; Chesson, Peter; Chen, Ying Ju; Wu, Szu Yang; Wu, Yeh Hua; Yong, Jean W H; Guu, Te Yu; Lim, Chung Lu; Randrianasolo, Razafiharimina Marie Agnès; Razanajatovo, Mialy Harindra; Yang, Yuen Po.

In: Botanical Journal of the Linnean Society, Vol. 172, No. 4, 08.2013, p. 449-464.

Research output: Contribution to journalArticle

Sheue, CR, Chesson, P, Chen, YJ, Wu, SY, Wu, YH, Yong, JWH, Guu, TY, Lim, CL, Randrianasolo, RMA, Razanajatovo, MH & Yang, YP 2013, 'Comparative systematic study of colleters and stipules of Rhizophoraceae with implications for adaptation to challenging environments', Botanical Journal of the Linnean Society, vol. 172, no. 4, pp. 449-464. https://doi.org/10.1111/boj.12058
Sheue, Chiou Rong ; Chesson, Peter ; Chen, Ying Ju ; Wu, Szu Yang ; Wu, Yeh Hua ; Yong, Jean W H ; Guu, Te Yu ; Lim, Chung Lu ; Randrianasolo, Razafiharimina Marie Agnès ; Razanajatovo, Mialy Harindra ; Yang, Yuen Po. / Comparative systematic study of colleters and stipules of Rhizophoraceae with implications for adaptation to challenging environments. In: Botanical Journal of the Linnean Society. 2013 ; Vol. 172, No. 4. pp. 449-464.
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