Banksia ser. Spicigerae

taxobox
name = "Banksia" ser. "Spicigerae"

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image_caption = "Banksia ericifolia", a member of series "Spicigerae".
regnum = Plantae
unranked_divisio = Angiosperms
unranked_classis = Eudicots
ordo = Proteales
familia = Proteaceae
genus = "Banksia"
subgenus = "Banksia"
sectio = "Oncostylis"
series = "Banksia" ser. "Spicigerae"
series_authority = A. S. George
subdivision_ranks = Species
subdivision = See text|

"Banksia" ser. "Spicigerae" is a taxonomic series in the genus "Banksia". It consists of the seven species in section "Oncostylis" that have cylindrical inflorescences. These range in form from small shrubs to tall trees. The leaves grow in either an alternate or whorled pattern, with various shape forms. The "Spicigerae" inflorescence is held erect, subtended by a whorl of branchlets, and retains a regular pattern until anthesis. The perianth limb is horizontal until anthesis, at which point the perianth opens from underneath. The pollen-presenter is ovoid or conical. The seed wings are not notched.

Taxa

Five of the "Spicigerae" are endemic to southwest Western Australia. The other two, "Banksia ericifolia" (Heath-leaved Banksia) and "Banksia spinulosa" (Hairpin Banksia), are endemic to the east coast of Australia. It is therefore thought to be the oldest of the series, having developed before the onset of aridity in the Nullarbor Plain.

pecies and subspecies

*"B. spinulosa" comprising:
**"B. s." var. "collina"
**"B. s." var. "cunninghamii"
**"B. s." var. "neoanglica"
**"B. s." var. "spinulosa"
*"B. ericifolia" comprising:
**"B. e." var. "ericifolia"
**"B. e." var. "macrantha"
*"B. verticillata"
*"B. seminuda"
*"B. littoralis"
*"B. occidentalis"
*"B. brownii"

ee also

* Taxonomy of Banksia

References

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External links

*Flora of Australia Online|name="Banksia" ser. "Spicigerae"|id=3458