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Species profile—Ipomoea saintronanensis

Classification

Plantae (plants) → Equisetopsida (land plants) → ConvolvulaceaeIpomoea saintronanensis

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Species details

Kingdom
Plantae (plants)
Class
Equisetopsida (land plants)
Family
Convolvulaceae
Scientific name
Ipomoea saintronanensis R.W.Johnson
WildNet taxon ID
10979
Alternate name(s)
morning glory
Nature Conservation Act 1992 (NCA) status
Vulnerable
Back on Track (BoT) status
Critical
Conservation significant
Yes
Confidential
No
Endemicity
Native
Pest status
Nil
Short Notes
BRI 372925 (Holotype), 372940, 372941, 372942, 372943 (Isotype)
Description
Ipomoea saintronanensis is a deciduous woody climber. It has twining stems that are hairless or loosely covered with long hairs. The leaves are broadly ovate to almost circular, 5 -21cm long by 5-21cm broad, with a short pointed tip (shortly acuminate) and a heart-shaped (cordate) base, becoming hairless above and softly hairy beneath. The leaf stalks (petioles) are 3-14cm long.
The flowers occur where the leaf stalk joins the stem (axillary), on stalks (peduncles) 10-90mm long and bearing one flower. The flower forms a slender tube that expands abruptly into a flat or saucer-shaped limb. The sepals (flower bracts) are ovate to orbicular, hairy, and 25-35 mm long.The flowers are white to pale pink in colour, 8-12cm long and with silky mid-petal bands. The flowers contain 5 stamens, each 9-13cm long and attached 2-3cm above the base on the inside of the tube. The seed capsules are globular, hairless, 17mm long and have two chambers. The pods contain 4 seeds that are densely covered with long wavy hairs to 15mm long.
This species is related to I. macrantha but differs in the hairy sepals and seeds. I. macrantha is, however, a coast species and the distributions do not overlap. (Johnson 1986)
Distribution
Ipomoea saintronanensis is found south-west of Mt Garnet, in north-east Queensland. (Johnson 1986; Herbrecs 2008)
Distributional limits
-17.7484656, 144.5788888
-18.4708002, 145.0844467
Range derivation
Range derived from extent of the taxon's verified records
Habitat
Ipomoea saintronanensis is known only from deciduous vine thickets that are mainly restricted to basaltic soils. (Johnson 1986)
Notes
Occurs in the following Queensland pastoral districts: Cook, North Kennedy.
Contributors: Ailsa Holland, Mellisa Mayhew 18/06/2009
References
Herbrecs (2008). Ipomoea saintronanensis, in BriMapper version 3.2.1. Queensland Herbarium. Accessed 17/12/2008.
Johnson, R.W. (1986). Four new species of Ipomoea L. (Convolvulaceae) from Australia. Austrobaileya 2(3): 222.
Profile author
Ailsa Holland (18/06/2009)

Other resources

The Australasian Virtual Herbarium (AVH)
Atlas of Living Australia

Data source

This profile data is sourced from the QLD Wildlife Data API using the Get species by ID function used under CC-By 4.0
https://apps.des.qld.gov.au/species/?op=getspeciesbyid&taxonid=10979

This information is sourced from the WildNet database managed by the Queensland Department of Environment and Science.

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Licence
Creative Commons Attribution 4.0 International (CC BY 4.0)
Last updated
23 October 2019
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