VietNamNet Bridge – Scientists have made public their discovery
of a new black ginger species, an endemic species of Vietnam.
The new ginger species is named
Distichochlamys benenica Q.B. Nguyen & Škorničk. It was discovered by
Vietnamese and Singaporean scientists in the Ben En National Park in the
central province of Thanh Hoa in April 2011.
Dr. Nguyen Quoc Binh, a member of
the research group, said this is the fourth species of Distichochlamys black
ginger in Vietnam.
Earlier, the first black ginger
species was found out at the Bach Ma National Park in the central province of
Thua Thien-Hue in 1995, the second in the Central Highlands province of Gia Lai
in 2001 and the third at the Cuc Phuong National Park in the northern province
of Ninh Binh in 2003.
Dr. Binh said that the standard
specimen of the newly-discovered species is now preserved at the Vietnam Nature
Museum.
“Black ginger is considered the
endemic species of Vietnam because it has never been found in any country in
the world, even in Vietnam’s neighboring countries like China, Laos and
Cambodia,” Binh stressed.
Zingiberaceae are a family of
flowering plants consisting of aromatic perennial herbs with creeping
horizontal or tuberous rhizomes, comprising of about 52 genera and more than
1300 species, distributed throughout tropical Africa, Asia, and the Americas.
Members of the family are small
to large herbaceous plants with distichous leaves with basal sheaths that
overlap to form a pseudostem. The plants are either self-supporting or
epiphytic. Flowers are hermaphroditic, usually strongly zygomorphic, in determinate
cymose inflorescences, and subtended by conspicuous, spirally arranged bracts.
The perianth is composed of two whorls, a fused tubular calyx, and a tubular
corolla with one lobe larger than the other two. Flowers typically have two of
their stamenoids (sterile stamens) fused to form a petaloid lip, and have only
one fertile stamen. The ovary is inferior and topped by two nectaries, the
stigma is funnel-shaped.
Compile by P. Linh
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