English language paraphrases from the original species descriptions publications – of the differences, in their authors' terms :
Hibbertia fasciculata R.Br. ex DC. (1818)
• mature leaves glabrous,
• stems erect and branching, hairy,
• styles subdiverging
→ https://www.biodiversitylibrary.org/page/41046603
.
Hibbertia prostrata Hook. (1834)
• mature leaves hairy,
• stems decumbent–procumbent, hairy,
• single style (apparently – was thought and thought a single carpel, – at the time of description).
→ https://www.biodiversitylibrary.org/page/796127
.
Hibbertia fasciculata var. prostrata (Hook.) Hook.f. (1860)
→ https://www.biodiversitylibrary.org/page/28465113
.
In this context of Vic. .– for what iNat 'taxonomy' is worth.
I'm not surprised people have confusion about this, both professional botanists and citizen scientists into plants (amateurs).
Different concepts of the taxa: Hibbertia fasciculata and Hibbertia prostrata,
here especially Hibbertia fasciculata var. prostrata, and other infra-specific taxa, are used by each of the:
• Australian Plant Name Index (APNI) – Australian Plant Name Census (APC).
• Flora of Vic. online VicFlora
• Tasmanian herbarium
• Flora of NSW
• iNaturalist volunteer 'curated' 'taxonomy'
• POWO
• etcetera .
References:
• Flora of Vic. online VicFlora:
Hibbertia fasciculata var. prostrata page, quotation: "
The anthers are longer, flowers larger and habit more robust than in the type variety, Hibbertia fasciculata var. fasciculata, which is restricted to New South Wales. Despite the varietal epithet ('prostrata'), the plant is rarely, if ever, truly prostrate in Victoria.
" .
Quotation of the Synonymy (web page tab): "
Synonyms
Hibbertia prostrata Hook.
".
→ https://vicflora.rbg.vic.gov.au/flora/taxon/2737c588-39b4-4ac4-ba31-579d464cef75
.
• Australian Plant Name Index (APNI) and Australian Plant Name Census (APC):
quotation: "
APC Comment: Treated as Hibbertia fasciculata var. prostrata in Vic, and as Hibbertia prostrata in Tas.
"
• Hibbertia fasciculata var. prostrata in the sense of VicFlora (taxon concept)
has equivalence to Hibbertia prostrata in the sense of iNat's species 'taxon concept'.
• Hibbertia fasciculata var. fasciculata in the sense of VicFlora (taxon concept – and only occurs in NSW and Qld)
has equivalence to Hibbertia fasciculata in the sense of iNat's species 'taxon concept', and only occurs in NSW and Qld.
• Hibbertia fasciculata var. prostrata has no equivalence to Hibbertia fasciculata var. fasciculata (in any accurate botanical information).
• The taxon concept of Hibbertia prostrata has no equivalence to Hibbertia fasciculata types' specimens' based narrow sense taxon concept (in any accurate botanical information).
• Hibbertia fasciculata types' specimens' based narrow sense taxon concept
differs from Hibbertia fasciculata types' specimens' based broad sense taxon concept.
• Hibbertia fasciculata var. prostrata and Hibbertia prostrata mutually equivalent in types' specimens' based taxon concept,
do not have identity equivalence to Hibbertia fasciculata types' specimens' based broad sense taxon concept and again saying,
also do not have equivalence to Hibbertia fasciculata types' specimens' based narrow sense taxon concept.
.
Furthermore according to POWO recently updated more:
• → https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:317036-1
• → https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:316951-1
.
→ https://inaturalist.ala.org.au/journal/stewartj-53_2014-/84157-hibbertia-prostrata-cf-hibbertia-fasciculata-s-l-s-s-and-var-prostrata-in-the-context-of-vic-for-what-inat-taxonomy-is-worth
.
Comments
Furthermore:
POWO recognises Hibbertia prostrata now since about a year ago.
Link: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:317036-1 .
Quotation: "
" .
"
Personally so familiar species of plants to me, over 35+ years since 1988, including hundreds and thousands of hours of hand weeding post fire regeneration sites since 1990 intimately weeding around tiny seedlings of this species.
Hence i can confirm this identification without any fertile material based on my so extensive experience of this foliage.
"
My earlier comments detailed information:
• https://inaturalist.ala.org.au/observations/95122075 .
Quotation of text for copying–pasting: "
Not Hibbertia fasciculata nor Hibbertia prostrata.
In the group of Hibbertia species inclusive of Hibbertia riparia.
" .
Quotations: "
"
"
"
.
"
"
.
"
"
.
Quotations continued: "
"
.
https://flora.tmag.tas.gov.au/vascular-families/dilleniaceae/#11-h-prostrata
.
I first wrote this up here: https://inaturalist.ala.org.au/observations/131834322 :
Here it is for what it's worth for our reference:
Hooker, W. J. in Hooker, W. J. (ed.) (1834)
Contributions Towards a Flora of Van Dieman's Land; from collections sent by R. W. Lawrence, and Ronald Gunn, Esqrs., and by Dr. Scott.
The Journal of Botany : being a second series of the Botanical miscellany 1 : 246
https://www.biodiversitylibrary.org/page/796127
(Reference citation text researched from APNI and copied above from there with annotation of the journal's secondary title: https://id.biodiversity.org.au/name/apni/90561/api/apni-format )
.
Quotation: "
[I re-flowed the text, including adding some new lines for readability, and thus removed the hyphens in single words that the original publication split over two lines]
".
I finish with a laugh that we well know at least nowadays that:
decumbent ≠ prostrate !!!
.
POWO updated now as of Au eastern standard time Tue. morning 2023 Sept. 26th :
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:317036-1
.
(BTW: https://inaturalist.ala.org.au/observations/135230746 ) .
Hibbertia fasciculata R.Br. ex DC.
Candolle, A. P. de (1817)
Regni Vegetabilis Systema Naturale 1: 428 [tax. nov.]
Type: "
"
https://www.biodiversitylibrary.org/page/41046603
.
https://inaturalist.ala.org.au/observations/135230746
.
From the original publication, in BHL copied and pasted OCR uncorrected text, I have now corrected (except for one unusual character I have yet to find on this computer).: "
Hibbertia fasciculata.
H. foiis lineari-subulatis glabris subfasciculatis , ramulis
subpilosis , floribus sessilibus 3-4-gynis, caule erecto.
H. fasciculata. R. Brown ! ined.
Hab. in Novæ-Hollandiæ orâ orientali. Caley., circa Port-Jackson. R. Brown. ? fl. julio.
Habitus ferè Hyperici fasciculati ; caulis erectus ramosissimus ; rami juniores pubescentes hispiduli, demùm epidermide secedente glabri ; folia lineari-subulata ferè acicularia integerrima , 5-7 lin. longa, juniora subpilosula, adulta glabra , in fasciculos laterales ramulis nempè brevissimis disposita; flores ad ramulorum apicem intra foliorum fasciculum sessiles, 5-6 lin. diam. ; sepala ovalia mucronata membranacea glabra ; petala obovata calyce paulò longiora ; stamina 11-12 ; filamenta filiforinia antheris ovatis longiora; ovaria 3-4 glabra subrotunda ; styli longi filiformes subdivergentes.
"
English language paraphrases from the original species descriptions publications (and links to them in digitised scan form) – of the differences in their authors' terms :
Hibbertia fasciculata R.Br. ex DC. (1818)
• mature leaves glabrous,
• stems erect and branching, hairy,
• styles subdiverging
→ https://www.biodiversitylibrary.org/page/41046603
.
Hibbertia prostrata Hook. (1834)
• mature leaves hairy,
• stems decumbent–procumbent, hairy,
• single style (apparently – was thought and thought a single carpel, – at the time of description).
→ https://www.biodiversitylibrary.org/page/796127
.
Hibbertia fasciculata var. prostrata (Hook.) Hook.f. (1855 – 1860?)
→ https://www.biodiversitylibrary.org/page/28465113
.
Australasian Systematic Botany Society Newsletter 34 (1983)
Notes on some Hibbertia Species
R. D. Hoogland,
Rijksherbarium, Leiden
→ https://asbs.org.au/newsletter/pdf/83-mar-034.pdf
The most relevant part quotation :
(I have re-flowed it and removed hyphenated words that were split across lines ): "
"
.
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