Maurandya barclayana

Maurandya barclayana (syn. Asarina barclayana; orth. var. M. barclaiana), commonly called angels trumpet[1] or Mexican viper,[2] is an ornamental plant in the family Plantaginaceae native to Mexico.

Maurandya barclayana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Plantaginaceae
Genus: Maurandya
Species:
M. barclayana
Binomial name
Maurandya barclayana

This plant is cited in The movements and habits of climbing plants by Charles Darwin.

Description

Growing to 4 m (13 ft) in height, this herbaceous perennial climber has ivy-like leaves and white, pink or purple tubular flowers that occur in spring and summer.

It is a climbing, fibrous-rooted perennial with stems usually having adventitious roots. Its lamina leaves that are triangular-cordate or triangular-hastate, 1–3.5 cm in length and 8–30 mm wide. The apex is acute to attenuate. Basal lobes are acute or undiscerning, with some margins, and small teeth towards the base. It is palmately veined and has a petiole that is 1–1.5 cm long.[3]

Peduncles are 2–5 cm long. Sepals are long and simple, which are 10–15 mm long in flower and 20 mm long in fruit. Corolla is 3–4.5 cm long, purple in colour, and is lighter near the base. The lobes are shorter than the tube.[4]

Cultivation

As it does not tolerate being frozen, in temperate climates it is often grown under glass in a conservatory, or alternatively as a tender annual. It requires a sheltered position in full sun. It has gained the Royal Horticultural Society's Award of Garden Merit. [1] It can be propagated by seed or by softwood cuttings.[5]

References
  1. "Maurandya barclayana". www.rhs.org. Royal Horticultural Society. Retrieved 3 January 2021.
  2. "USDA Plants profile".
  3. Maurandya barclayana Lindl. Royal Botanic Gardens Victoria
  4. Maurandya barclayana Lindl. PlantNET (The NSW Plant Information Network System). Royal Botanic Gardens and Domain Trust, Sydney. https://plantnet.rbgsyd.nsw.gov.au
  5. A Spanish 'blue-stocking' Sur

Sources
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