Amborellales

F Bruce Sampson, Victoria University of Wellington, Wellington, New Zealand

Published online: February 2002

DOI: 10.1038/npg.els.0003698

The order Amborellales consists of a single plant, Amborella trichopoda, which is considered to be the basal-most surviving flowering plant.

Keywords: Aborellaceae; Amborella; Magnoliidae; basal angiosperms; primitive pollen; veselless wood

Further Reading
	Bailey IW and Swamy BGL (1948) Amborella trichopoda Baill., a new morphological type of vesselless dicotyledon. Journal of the Arnold Arboretum 29: 245–254.
	Endress PK and Igersheim A (2000) The reproductive structures of the basal angiosperm Amborella trichopoda (Amborellaceae). International Journal of Plant Science 161 (supplement): S237–S248.
	book Jérémie J (1982) "Amborellaceae". In: Aubréville A (ed) Flore de La Nouvelle Calédonie et dépendances, vol. 11. Phanérogamie, Paris: Museum National d’Histoire Naturelle.
	book Philipson WR (1993) "Amborellaceae". In: Kubitzki K (ed) The Families and Genera of Vascular Plants, vol. 2. Berlin: Springer.
	Qui Y-L, Lee J, Bernasconi-Quadroni F et al. (2000) Phylogeny of basal angiosperms: analyses of five genes from three genomes. International Journal of Plant Science 161 (supplement): S3–S27.
	Sampson FB (1993) Pollen morphology of the Amborellaceae and Hortoniaceae (Hortonioideae: Monimiaceae). Grana 32: 154–162.
	Sampson FB (2000) Pollen diversity in some modern magnoliids. International Journal of Plant Science 161 (supplement): S193–S210:

	Figure 1. A carpel of Amborella trichopoda dissected from a female flower. Inner side of carpel (which faces the centre of the flower) at left. Bar, 1 mm.
	Figure 2. A pollen grain of Amborella trichopoda with a small round aperture partly visible at upper centre. Bar, 10 m.
	Figure 3. Portion of the surface of a pollen grain of Amborella trichopoda. Bar, 1 m.