Araucaria sect. Araucaria
Content
Distribution
Asia-Tropical, E. New Guinea present, S. Brazil present, S. Central Chile present, coastal Queensland present
In E. New Guinea, coastal Queensland, S. Central Chile and S. Brazil 4 non-overlapping spp., of which 1 in Malesia.
Notes
Sect. Intermedia was established for Araucaria klinkii (-A. hunsteinii) because it differs from the rest of sect. Araucaria while resembling sect. Eutacta in epigeal cotyledons and broad membranous wings on the cone scales, but it does have two cotyledons and the spreading flat juvenile leaves of sect. Araucaria. One could also add that mature leaves have the hooked tip seen elsewhere only on some species of sect. Eutacta but the apex of the cone scale complex and the laterally placed pollen cones conform to sect. Araucaria. Young plants of A. hunsteinii are indistinguishable from those of A. bidwillii. Sect. Bunya was established for A. bidwillii because the cone scale complex has thick woody wings as opposed to no wings in the two American species and because of the double vascular supply to the bract and scale. The mature seed also separates from the scale complex. STOCKEY () argues for the usefulness of these monotypic sections based on a variety of fossil material, but the differences with the residual sect. Araucaria hardly seems sufficiently important.
Citation
SEWARD & FORD 1906 – In: Trans. R. Soc. Lond.: 317
WILDE & EAMES 1952 – In: Ann. Bot. n.s.: 44
CARR. 1867 – In: Traité Gén. Conif.: 596
HENKEL & HOCHSTETTER 1865: Synop. Nadelhölz.: 2
EICHLER 1889 – In: E. & P., Nat. Pfl. Fam. 2: 69
GAUSSEN 1970 – In: Gymn. Act. & Foss.: 7
1847: Syn. Conif.: 185
PARL. 1868 – In: DC., Prod. 16: 370
1857 – In: Man. Pl.: 360
GAUSSEN 1970 – In: Gymn. Act. & Foss.: 7
WILDE & EAMES 1952 – In: Ann. Bot. n.s.: 44
GORDON 1858: Pinetum, ed. 1: 21
CARR. 1855: Traité Gén. Conif.: 414
PILGER 1926 – In: E. & P., Nat. Pfl. Fam., ed. 2, 13: 263