''Gynura aurantiaca'', called purple passion or velvet plant, is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
in the daisy
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Asteraceae
The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae w ...
. It is native to Southeast Asia but grown in many other places as a
house plant
A houseplant, sometimes known as a pot plant, potted plant, or an indoor plant, is an ornamental plant that is grown indoors. As such, they are found in places like residences and offices, mainly for decorative purposes. Common houseplants are us ...
. In warm regions, it is frequently grown outdoors on patios and in gardens rather than inside buildings, and hence it has escaped into the wild in Africa, Australia, South America, Mesoamerica, Florida, and a few other places.
Description
''Gynura aurantiaca'' is an
evergreen
In botany, an evergreen is a plant which has foliage that remains green and functional through more than one growing season. This also pertains to plants that retain their foliage only in warm climates, and contrasts with deciduous plants, whic ...
perennial
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wid ...
growing to tall, the stems sometimes growing straight up but other times reclining against other objects, when stems can reach . Leaves, stems, and bracts are dark green, covered with soft purple hairs that impart a velvety feeling to the plant. One plant can produce 1-5 flower heads, each on its own flower stalk. The flowers have a rather strong odour. Each head contains several yellow, orange, or red disc flowers but no ray flowers.
Etymology
The Latin
specific epithet ''aurantiaca'' means ”orange”, referring to the usual colour of the blooms.
Horticulture
In cultivation in the
UK this plant has gained the
Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (Nor ...
’s
Award of Garden Merit.
References
External links
aurantiaca
Flora of Asia
Plants described in 1826
House plants
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