According To Bentham
Bentham's definition of D. ser. Armatae was "Flower-heads usually large, mostly terminal, enclosed in floral leaves longer than the flowers. Involucres broad. Perianths above 1 in. long. Stigmatic end of the style slender, often scarcely distinct. Leaves with prickly teeth or lobes.". The placement and circumscription of the series may be summarised as follows:
- Dryandra (now Banksia ser. Dryandra)
- D. sect. Eudryandra
- D. ser. Armatæ
- D. quercifolia (now B. heliantha)
- D. praemorsa (now B. undata)
- D. cuneata (now B. obovata)
- D. falcata (now B. falcata)
- D. armata (now B. armata)
- D. longifolia (now B. prolata)
- D. Fraseri (now B. fraseri)
- D. ser. Floribundæ (5 species, 2 varieties)
- D. ser. Concinnæ (4 species)
- D. ser. Formosæ (5 species)
- D. ser. Niveae (4 species, 2 varieties)
- D. ser. Obvallatæ (12 species)
- D. ser. Gymnocephalæ (3 species)
- D. ser. Armatæ
- D. sect. Aphragma (7 species, 2 varieties)
- D. sect. Eudryandra
Read more about this topic: Dryandra Ser. Armatae
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—Jeremy Bentham (17481832)