''Androcalva multiloba'' is a species of flowering plant in the family
Malvaceae
Malvaceae (), or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include Theobroma cacao, cacao, Cola (plant), cola, cotton, okra, Hibiscus sabdariffa, ...
and is
endemic
Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...
to the
Eyre Peninsula
The Eyre Peninsula is a triangular peninsula in South Australia. It is bounded by the Spencer Gulf on the east, the Great Australian Bight on the west, and the Gawler Ranges to the north.
Earlier called Eyre's Peninsula, it was named after e ...
of South Australia. It is a dwarf shrub with densely hairy, irregularly serrated, egg-shaped leaves, and up to 5 white and red flowers arranged opposite leaf axils or on the ends of branches.
Description
''Androcalva multiloba'' is a dwarf shrub that typically grows to high and wide, with a single stem at the base and spreading branches. The leaves are egg-shaped, long and wide on a
petiole
Petiole may refer to:
*Petiole (botany), the stalk of a leaf, attaching the blade to the stem
*Petiole (insect anatomy)
In entomology, petiole is the technical term for the narrow waist of some hymenopteran insects, especially ants, bees, and ...
long with narrowly lance-shaped
stipule
In botany, a stipule is an outgrowth typically borne on both sides (sometimes on just one side) of the base of a leafstalk (the petiole (botany), petiole). They are primarily found among dicots and rare among monocots. Stipules are considered part ...
s long at the base but that fall off as the leaf matures. The leaves are arranged in small groups along the stems, the edges of the leaves with irregular serrations lobes on the edges. Both surfaces of the leaves are densely covered with star-shaped hairs. The flowers are arranged opposite the leaves or on the ends of branches in clusters of up to 5 on a
peduncle long, each flower in diameter, on a
pedicel
Pedicle or pedicel may refer to:
Human anatomy
*Pedicle of vertebral arch, the segment between the transverse process and the vertebral body, and is often used as a radiographic marker and entry point in vertebroplasty and kyphoplasty procedures
...
long, with
bract
In botany, a bract is a modified or specialized leaf, associated with a reproductive structure such as a flower, inflorescence axis or cone scale.
Bracts are usually different from foliage leaves in size, color, shape or texture. They also lo ...
s long at the base. The flowers have 5 white, petal-like
sepal
A sepal () is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom., p. 106
Etymology
The term ''sepalum'' ...
s with a green or pink base, and 5 petals with a spatula-shaped
ligule
A ligule (from "strap", variant of ''lingula'', from ''lingua'' "tongue") is a thin outgrowth at the junction of leaf
A leaf (: leaves) is a principal appendage of the plant stem, stem of a vascular plant, usually borne laterally above g ...
that is shorter than the sepals. There are 3
staminode
In botany, a staminode is an often rudimentary, sterile or abortive stamen, which means that it does not produce pollen.Jackson, Benjamin, Daydon; ''A Glossary of Botanic Terms with their Derivation and Accent''; Published by Gerald Duckworth & Co ...
s between each pair of
stamen
The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10
Morphology and terminology
A stamen typically consists of a stalk called the filament ...
s. Flowering occurs from August to October, and the fruit is a softly-hairy
capsule in diameter.
Taxonomy
This species was first formally described in 2005 by
Carolyn Wilkins and
Barbara Whitlock who gave it the name ''Commersonia multiloba'' in the journal ''
Muelleria'', from specimens they collected near
Cowell in 2004.
In 2011, Wilkins and Whitlock transferred the species to ''Androcalva'' as ''A. multiloba'' in ''
Australian Systematic Botany
''Australian Systematic Botany'' is an international peer-reviewed scientific journal published by CSIRO Publishing. It is devoted to publishing original research, and sometimes review articles, on topics related to systematic botany, such as b ...
''.
The
specific epithet
In Taxonomy (biology), taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin gramm ...
(''multiloba'') refers to the many serrated lobes on the edges of the leaves.
Distribution and habitat
''Androcalva multiloba'' grows with species of ''
Melaleuca
''Melaleuca'' () is a genus of nearly 300 species of plants in the myrtle family, Myrtaceae, commonly known as paperbarks, honey-myrtles, bottlebrushes or tea-trees (although the last name is also applied to species of '' Leptospermum''). They ...
'' and ''
Acacia
''Acacia'', commonly known as wattles or acacias, is a genus of about of shrubs and trees in the subfamily Mimosoideae of the pea family Fabaceae. Initially, it comprised a group of plant species native to Africa, South America, and Austral ...
'' in two populations on the northern part of the Eyre Peninsula in south-eastern South Australia.
References
{{Taxonbar, from=Q17579635
Malvales of Australia
Flora of South Australia
Plants described in 2005
multiloba
Taxa named by Carolyn F. Wilkins
Taxa named by Barbara Ann Whitlock