''Primula poissonii'' (海仙花 ''hai xian hua''), Poisson's primrose,
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 in the primrose family Primulaceae, native to wet areas at altitudes of in western
Sichuan
Sichuan (; zh, c=, labels=no, ; zh, p=Sìchuān; alternatively romanized as Szechuan or Szechwan; formerly also referred to as "West China" or "Western China" by Protestant missions) is a province in Southwest China occupying most of the ...
and central and northern
Yunnan
Yunnan , () is a landlocked Provinces of China, province in Southwest China, the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is ...
,
China
China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...
.
Description
This semi-
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, which ...
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 wide ...
belongs to the
Candelabra group of primulas (sect. Proliferae), with leaves forming a rosette, the leaf blades
obovate
The following is a list of terms which are used to describe leaf morphology in the description and taxonomy of plants. Leaves may be simple (a single leaf blade or lamina) or compound (with several leaflets). The edge of the leaf may be regular o ...
-elliptic to oblanceolate, strongly tapering to base. The flowers are arranged in whorls at regular intervals up the vertical stem. The
corolla is deep purplish crimson or rose-purple, tubular, 0.9 to 1.1 cm in length, rising from a
scape of in length.
Cultivation
''Primula poissonii'' is sometimes cultivated as an ornamental plant. It requires a heavy, moisture-retentive, acid or neutral soil in full sun or partial shade. It is an ideal subject for the wet banks of a pond or stream.
[
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References
External links
* ''Primula poissonii'', Franchet, ''Bull. Soc. Bot. France''. 33: 67. 1886.
{{Taxonbar, from=Q11149617
poissonii