Distimake aureus

{{Short description|Species of flowering plant}}

{{speciesbox

| image = Merremia aurea-- the Yuca Vine (27003668324).jpg

| genus = Distimake

| species = aureus

| authority = (Kellogg) A.R.Simões & Staples

| synonyms = * Aniseia aurea Kellogg 1873

  • Ipomoea aurea (Kellogg) Kellogg ex Curran
  • Merremia aurea (Kellogg) O'Donell
  • Operculina aurea (Kellogg) House

| synonyms_ref = {{Cite POWO|id=77163218-1|title=Distimake aureus|access-date=16 August 2022}}

}}

Distimake aureus is a species of vining plant in the bindweed family (Convolvulaceae) commonly known as the yellow morning-glory, yellow woodrose or yuca vine. A woody vine, this species is characterized by its large trumpet-shaped yellow flowers that bloom year-round, though most often after rain. Each of the showy flowers are only open for a single day. It is endemic to Baja California Sur, Mexico, where it can be found twining and climbing over trees, shrubs, and rocks.{{Cite book |last1=Rebman |first1=Jon P. |title=Baja California Plant Field Guide |last2=Roberts |first2=Norman C. |publisher=Sunbelt Publications |year=2012 |isbn=978-0-916251-18-5 |edition=3rd |location=San Diego |pages=220 |language=en}}{{Cite journal |last=Rebman |first=Jon P. |last2=Gibson |first2=Judy |last3=Rich |first3=Karen |date=15 November 2016 |title=Annotated Checklist of the Vascular Plants of Baja California, Mexico |url=http://sdplantatlas.org/pdffiles/BajaChecklist2016.pdf |journal=Proceedings of the San Diego Society of Natural History |publisher=San Diego Natural History Museum |volume=45 |pages=130 |via=San Diego Plant Atlas & San Diego Natural History Museum}}

Description

File:Merremia aurea MHNT.BOT.2015.34.119.jpg

This plant is a perennial woody vine. It is deciduous and may drop its leaves in severe heat. The leaves are palmate, with 5 oblong leaflets, the median leaflet the largest. The edges of the leaflets are smooth and not serrated, unlike a local congener D. quinquefolius which has narrower serrated leaflets and white flowers.{{Cite web |last=Staples |first=George |last2=Er |first2=Esmond |date=2011 |title=Merremia aurea |url=https://convolvulaceae.myspecies.info/content/merremia-aurea-0 |access-date=16 August 2022 |website=Convolvulaceae Unlimited}}

File:RanchoPuntaSanCristobal10.JPG

The trumpet-shaped flowers on this species are borne solitary, measure {{Convert|3|to|8|cm|abbr=on|in}} long, and are colored a bright yellow. Each flower only blooms for a single day, opening in the morning and closing by the late afternoon. The fruit is a capsule with two cells, {{Convert|2|to|2.5|cm|abbr=on|in}} wide.

Distribution

Endemic to the state of Baja California Sur in Mexico, this species is found from the vicinity of Loreto south to the Cape region of the Baja California peninsula. It is also found on several islands in the Gulf of California.

Uses

The fleshy roots of the plant are edible.

This species is utilized in cultivation as an ornamental plant. It requires full sun and low water, and needs well-drained soil. It is hardy to US Sunset Zones of 12 to 24.{{Cite web |title=Merremia aurea |url=https://cals.arizona.edu/yuma/plant_index/merremia_aurea.htm |access-date=16 August 2022 |website=Arizona Cooperative Extension: Yuma County Landscaping and Gardening |publisher=University of Arizona College of Agriculture & Life Sciences}}

References