Facts about Flamevine ~ Pyrostegia venusta

Pyrostegia venusta, also commonly known as flame vine or orange trumpetvine, is a flowering woody vine of the genus Pyrostegia in the Bignoniaceae family, which also includes trumpet creeper.  The plant is native to South America (i.e. Brazil, Bolivia, north-eastern Argentina and Paraguay). Occasionally it is naturalized in eastern Australia (i.e. in south-eastern Queensland and the coastal districts of central and northern New South Wales). It is also naturalized overseas in eastern Africa (i.e. Tanzania) and south-eastern USA (i.e. Florida). Flame flower, flame vine, flaming trumpet vine, orange creeper, orange trumpet vine,  Flaming trumpet, Golden shower trumpet, Orange Bignonia, flame creeper, flame flower vine, golden shower, golden shower vine, golden showers, orange creeper vine, orange trumpet creeper, Chinese cracker flower, belas, Flame vine and Orange trumpet are some of the popular common names of the plant.

The genus name comes from the Greek and is descriptive of the color of the flowers (that is ‘pyro’ meaning flame so red or orange flowers and ‘stege’ meaning covering). The specific epithet is from the Latin word ‘venustus’ meaning beautiful. This plant has been known variously as Bignonia ignea and Pyrostegia ignea, but these names have now been superseded. At a time of year when there isn’t much in the way of eye-catching color, flame vine dazzles with dense clusters of bright orange flowers. This evergreen vine can bring a touch of classic fall colors to your Florida garden. It is commonly grown in tropical and subtropical areas, as well as in mild Mediterranean climates. The plants form dense masses, growing up trees, on walls or over rocks, and are covered with flowers in the cool, dry season.

Flamevine Facts

Plant Description

Flamevine is a vigorous, fast-growing, evergreen woody flowering vine that normally grows about 5-7 m tall. The plant can spread quickly by tendrils to the top of whatever supports it, including fences, other plants or even small buildings by branching profusely and climbing using its clinging tendrils. The plant is found growing in rocky places, forests in seasonally dry areas and scrub. The plant prefers compost enriched, light and moist, but well-drained soil. It tolerates several kinds of soils: acidic, alkaline, clayey, sandy or loamy, but is intolerant of saline soils. Stems are angular to sub-cylindrical, striate, puberulent or lepidote, interpetiolar zone not glandular; cross section of the mature stem with peripheral phloem tissue not forming a cross. Flame Vine has been listed as possibly invasive in some regions as it can easily regrow from its roots even if damaged above ground.

Leaves

Leaves are opposite, compound 4–10 cm long often with terminal leaflet modified into a coiled 3-branched tendril 5–15 cm long; leaflets 2 (or 3) are ovate to lanceolate or ovate-elliptic/oblong, mostly 3–9 cm long and 2–4.5 cm wide,  glabrous. Often, the center leaflet is modified into a coiled, three-parted tendril.  Apex is acuminate with entire margin. Petiole is 5–15 cm long, sparsely hairy and petiolules is 5–15 mm long. There may be a combination of compound-bifoliate leaves (often with a tendril between folioles/leaflets) and trifoliate leaves; the 3-tipped tendrils often coiling but absent from many leaves. They’re arranged in pairs, opposite each other on the woody and slender stems and sprawling branches.

Leaf arrangement	Opposite/sub opposite
Leaf type	Palmately compound
Leaf margin	Entire
Leaf shape	Ovate
Leaf venation	Pinnate
Leaf type and persistence	Evergreen
Leaf blade length	2 to 4 inches
Leaf color	Green
Fall color	No fall color change
Fall characteristic	Not showy

 

Flowers

Orange Trumpet Creeper is a floriferous climber that flowers almost continuously throughout the year in the tropics, and in the subtropics from late fall to spring, even lightly during summer. The tubular flowers are about 3 in long and borne in clusters of 15-20 at the tips of branches. Calyx is 4–7 mm long, almost entire to shallowly lobed and minutely 5-dentate. Corolla usually 5–7 cm long, orange or reddish orange; tube ± curved, very narrow at base, broadening above; lobes 10–18 mm long, margin and often upper parts of outer and/or inner surfaces hairy. The flower clusters may hang down under the weight of their own beauty. The long-lasting, brilliantly colored and attractive flowers are a magnet for hummingbirds, bumble bees and butterflies too!

Flower color	Orange
Flower characteristic	Winter flowering; fall flowering

 

Fruits

Fertile flowers are followed by narrow, light brown, cylindrical dry capsules about 1 ft. long, with the mid vein slightly prominent. Seeds are numerous, 1.2-1.4 cm long, wings brown with the margins hyaline that can be used for propagation.

Fruit shape	Elongated
Fruit length	6 to 12 inches
Fruit cover	Dry or hard
Fruit color	Unknown
Fruit characteristic	Inconspicuous and not showy

 

Traditional Uses and benefits of Flamevine

• It has been used in traditional folk medicine as a remedy for treating white patches and infections on the skin (leukoderma, vitiligo).
• Native Brazilians use the aerial parts of Pyrostegia venusta for the treatment of cough and common diseases of the respiratory system related to infections, such as bronchitis, flu and cold.
• An infusion is used to treat diarrhea, vitiligo and jaundice.
• Tonics made from the stems of this plant are useful for the treatment of diarrhea, whereas flower preparations have been shown to atttenuate vomiting.
• Extracts have been used in the treatment of different skin diseases; it may be useful in the tropical management of wound healing.
• Leaves are used in traditional medicine as a tonic and for treating diarrhea in Brazil.
• It is used as a tonic and antidiarrheal in Iracambi.
• In Brazil, used as general tonic to treat any inflammatory disease; also for diarrhea, dysentery, leucoderma and vitiligo, and common diseases of the respiratory tract, such as bronchitis, flu, and cold.
• It is also drunk as a general tonic and used as an antidepressant.
• In folk medicine, its parts are used for the treatment of inflammatory respiratory diseases.

Other Facts

• Flame vine grows rapidly covering trees, fences, and other structures and should be avoided as an ornamental or landscape plant.
• It is also useful to cover necessary but unsightly garden features like water tanks and old garden sheds.
• This plant is attractive to bees, butterflies and birds like the Greater double-collared sunbird.

References:

https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=34324#null

http://www.hear.org/pier/species/pyrostegia_venusta.htm

http://www.theplantlist.org/tpl1.1/record/kew-317830

https://en.wikipedia.org/wiki/Pyrostegia_venusta

https://plants.usda.gov/core/profile?symbol=PYVE2

http://www.flowersofindia.net/catalog/slides/Flaming%20Trumpet.html

http://colplanta.org/taxon/urn:lsid:ipni.org:names:110483-1

https://www.cabi.org/isc/datasheet/46074

https://gd.eppo.int/taxon/PYRVE

https://edis.ifas.ufl.edu/fp496

http://tn-grin.nat.tn/gringlobal/taxonomydetail.aspx?id=402034

https://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Pyrostegia~venusta

http://en.xtbg.ac.cn/rs/ma/201303/t20130312_99553.html

https://davesgarden.com/guides/pf/go/53032/#b

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