Pittosporum tinifolium A.Cunn.
Pittosporum ferrugineum subsp. ferrugineum W.T.Aiton
Pittosporum venulosum F.Muell.

Pittosporum tinifolium and Pittosporum ferrugineum subsp. ferrugineum share the following key features:
• "adult leaves with <8 secondary veins"
• "anthers not sagittate usually of the same height"

Pittosporum tinifolium diagnostic key features:
(ex. P. ... linifolium (sic) which was an old spelling error, the correct is: l→t ):
• "leaves mostly ovate to broad-elliptic"
• "rapidly glabrescent"
• "petioles 10–15 mm long"
• "floral axis prominently separated from vegetative axis by a stout rachis to 40–50 mm long"

Pittosporum ferrugineum subsp. ferrugineum comparison diagnostic key features :
• "leaves mainly narrow-elliptic"
• "golden hairs persistent"
• "petioles to 25 mm long"
• "inflorescences often almost sessile on short shoots in leaf axils"

Pittosporum venulosum comparison diagnostic key features:
• "adult leaves with 8–12 secondary veins"
• "anthers sagittate, often at differing heights"
• "hair colour golden brown"
.

References:

• Via KeyBase:
Flowering plants of Queensland:
Species of Pittosporum
Adapted from:
Cayzer, Lindy W., Mike D. Crisp and Ian R. H. Telford (2000)
Revision of Pittosporum (Pittosporaceae) in Australia.
Australian Systematic Botany 13 : 845–902.
→ https://keybase.rbg.vic.gov.au/keys/show/6188
Viewed: 2023 April 23rd.

• Via KeyBase:
Flora of Australia: vascular plants:
Species of Pittosporum
Adapted from:
Cayzer, Lindy W., Mike D. Crisp and Ian R. H. Telford (2000)
Revision of Pittosporum (Pittosporaceae) in Australia.
Australian Systematic Botany 13 : 845–902.
→ https://keybase.rbg.vic.gov.au/keys/show/966
Viewed: 2023 April 23rd.

• Australian Plant Name Index (APNI) and Australian Plant Census (APC):
accepted name for this taxon concept:
→ https://biodiversity.org.au/nsl/services/rest/name/apni/99697/api/apni-format
Viewed: 2023 April 23rd.

• Cayzer, Lindy W. and Greg T. Chandler (2017)
Pittosporum tinifolium A.Cunn.:
a corrected name and reinstatement at species level for the Queensland species currently known as the rusty-leaved pittosporum, Pittosporum ferrugineum subspecies linifolium (A.Cunn.) L.Cayzer et al. (Pittosporaceae).
Austrobaileya 10 (1) : 205–206
PDF 367 KB: → https://www.qld.gov.au/__data/assets/pdf_file/0020/69041/cayzer-chandler-austrobaileya-v10s1-p205-206.pdf .

• Cayzer, Lindy W.
Pittosporum
In Phillip G. Kodela and R. O. Makinson (ed's)
Flora of Australia.
Australian Biological Resources Study, Department of Climate Change, the Environment and Water: Canberra.
Online current updated version of the original published books editions (inclusive of the key),
here: → https://profiles.ala.org.au/opus/foa/profile/Pittosporum .
Viewed: 2023 April 23rd.

• Cayzer, Lindy W., Mike D. Crisp and Ian R. H. Telford (2000)
Revision of Pittosporum (Pittosporaceae) in Australia.
Australian Systematic Botany 13 : 845–902.
PDF available: → https://www.researchgate.net/publication/230854070_Revision_of_Pittosporum_Pittosporaceae_in_Australia
Viewed: 2023 April 24th.

• Cayzer, Lindy W. and Chandler, Greg T. (2018)
Pittosporum ridleyi (Pittosporaceae), a new name for the ‘rusty-leaved’ pittosporum in Malaysia.
Gardens’ Bulletin Singapore 70, 397-404.
PDF available: → https://www.nparks.gov.sg/sbg/research/publications/the-gardens'-bulletin-singapore/-/media/sbg/gardens-bulletin/gbs_70_02_y2018_v70_02/70_02_397_y2018_v70p2_gbs_pg397.pdf
Viewed: 2023 April 24th.

• Cayzer, Lindy W. (2016)
—Churchill Fellow:
The Australian Biological Resources Study Churchill Fellowship to unlock critical taxonomic information on the Pittosporaceae in overseas herbaria
Report:
An archaeological dig through the information and specimens held on the Australian plant family Pittosporaceae R.Br. in overseas herbaria and botanic gardens
Report PDF file available linked herein:
→ https://www.churchilltrust.com.au/project/the-australian-biological-resources-study-churchill-fellowship-to-unlock-critical-taxonomic-information-on-the-pittosporaceae-in-overseas-herbaria/
Viewed: 2023 April 24th.

• Cayzer, Lindy W., Tim M. A. Utteridge and Greg T. Chandler (2023 July 27)
Pittosporum (Pittosporaceae) in Malesia.
Australian Systematic Botany 36 (3): 206–275
( Submitted: 11 February 2022; Accepted: 18 June 2023 )
→ https://doi.org/10.1071/SB22007
.

Posted on April 23, 2023 07:19 AM by stewartj-54_2014-