''Ferrocalamus'', or iron bamboo, is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of Chinese
bamboo
Bamboos are a diverse group of mostly evergreen perennial plant, perennial flowering plants making up the subfamily (biology), subfamily Bambusoideae of the grass family Poaceae. Giant bamboos are the largest members of the grass family, in th ...
in the
grass family.
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
China
China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...
. The plant is known only from southern
Yunnan
Yunnan; is an inland Provinces of China, province in Southwestern China. The province spans approximately and has a population of 47.2 million (as of 2020). The capital of the province is Kunming. The province borders the Chinese provinces ...
, at elevations of 900 to 1,200 m above sea level.
Taxonomy
The genus ''Ferrocalamus'' is related to ''
Indocalamus''. However, ''Ferrocalamus'' is tree-like while ''Indocalamus'' is a shrub.
Description
''Ferrocalamus'' are
perennial
In horticulture, the term perennial ('' per-'' + '' -ennial'', "through the year") is used to differentiate a plant from shorter-lived annuals and biennials. It has thus been defined as a plant that lives more than 2 years. The term is also ...
shrub
A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...
by bamboos having erect
culms. The culms are about 5–9 m long with 20–50 mm diameter. The
internodes are long, thick walled, with a ring of white hairs below the nodes. Culm sheaths are persistent, leathery at base, thinner at apex. The
auricles are small or absent. Leaf blade is large with transverse
venation.
Inflorescence
In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...
is a large panicle on leafy flowering branches. It has 3
stamens
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 filamen ...
with free filaments.
Ovary
The ovary () is a gonad in the female reproductive system that produces ova; when released, an ovum travels through the fallopian tube/ oviduct into the uterus. There is an ovary on the left and the right side of the body. The ovaries are end ...
is glabrous having short styles short, with 2
stigmas. Fruit is rounded berry-like,
succulent
In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meani ...
with thickened, fleshy pericarp but without hardened endocarp.
Species
* ''
Ferrocalamus fibrillosus''
* ''
Ferrocalamus rimosivaginus''
* ''
Ferrocalamus strictus''
Uses
In the past, the culms were commonly used for making
arrow
An arrow is a fin-stabilized projectile launched by a bow. A typical arrow usually consists of a long, stiff, straight shaft with a weighty (and usually sharp and pointed) arrowhead attached to the front end, multiple fin-like stabilizers c ...
s.
[
]
References
External links
Information at The Plant List
Profile at UniProt
Nucleotide database at NCBI
{{Taxonbar, from1=Q11921878
Endemic flora of Yunnan
Bambusoideae genera
Flora of the Northern Indochina subtropical forests
Bambusoideae