''Gouania meyenii'' is a rare

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 Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclud ...

known by the

common name In biology, a common name of a taxon or organism (also known as a vernacular name, English name, colloquial name, country name, popular name, or farmer's name) is a name that is based on the normal language of everyday life; and is often contrast ...

smoothfruit chewstick. It is

endemic Endemism is the state of a species being found 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 found elsew ...

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

, where it is known only from

Oahu Oahu () (Hawaiian language, Hawaiian: ''Oʻahu'' ()), also known as "The Gathering place#Island of Oʻahu as The Gathering Place, Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over t ...

and

Kauai Kauai, () anglicized as Kauai ( ), is geologically the second-oldest of the main Hawaiian Islands (after Niʻihau). With an area of 562.3 square miles (1,456.4 km2), it is the fourth-largest of these islands and the 21st largest island ...

.''Gouania meyenii''.

The Nature Conservancy The Nature Conservancy (TNC) is a global environmental organization headquartered in Arlington, Virginia. it works via affiliates or branches in 79 countries and territories, as well as across every state in the US. Founded in 1951, The Natu ...

. It is estimated that there are between 38 and 63 individuals of this species remaining in the wild.USFWS
''Gouania meyenii'' Five-year Review.
August 2010. It is a federally listed

endangered species An endangered species is a species that is very likely to become extinct in the near future, either worldwide or in a particular political jurisdiction. Endangered species may be at risk due to factors such as habitat loss, poaching and inv ...

of the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. This is a

shrub A shrub (often also called a 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 ...

with stems growing erect or spreading and growing one half to over two meters in length. The leaves have

oval An oval () is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas (projective geometry, technical drawing, etc.) it is given a more precise definition, which may include either one or ...

blades up to 7.5 centimeters long by 4.5 wide borne on short petioles. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is a cyme of several flowers with tiny white

petals Petals are modified leaves that surround the reproductive parts of flowers. They are often brightly colored or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corolla''. Petals are usually ...

and slightly larger white

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 The term ''sepalum'' was coined b ...

s no more than 3 millimeters long. The small winged

fruit In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in particu ...

contains shiny brown

seeds A seed is an embryonic plant enclosed in a protective outer covering, along with a food reserve. The formation of the seed is a part of the process of reproduction in seed plants, the spermatophytes, including the gymnosperm and angiosperm pl ...

. This shrub grows in dry or moist forest and shrubland habitat in the

Waianae Mountains Waianae () is a census-designated place (CDP) in Honolulu County, Hawaii, United States. As of the 2020 census, the CDP population was 13,614. Its name means "waters of the mullet". Its etymology is shared with the far northern Wellington subu ...

and

Nā Pali Coast State Park Nā Pali Coast State Park is a state park in the U.S. state of Hawaii, located in the center of the rugged northwest side of Kauai, the second-oldest inhabited Hawaiian island. The Nā Pali coast itself extends southwest from Kee Beach all ...

on Kauai. It is associated with other plants such as

koa KOA (short for Kampgrounds of America) is an American franchise of privately owned campgrounds. Having more than 500 locations across the United States and Canada, it is the world's largest system of privately owned campgrounds. It was founded in ...

(''Acacia koa''),

maile ''Alyxia stellata'', known as ''maile'' in Hawaiian, is a species of flowering plant in the dogbane family, ''Apocynaceae'', that is native to Hawaii. It grows as either a twining liana, scandent shrub, or small erect shrub, and is one of the f ...

(''Alyxia stellata''), kookoolau (''Bidens torta''),

lama Lama (; "chief") is a title for a teacher of the Dharma in Tibetan Buddhism. The name is similar to the Sanskrit term ''guru'', meaning "heavy one", endowed with qualities the student will eventually embody. The Tibetan word "lama" means "hi ...

(''Diospyros sandwicensis''), aalii (''Dodonaea viscosa''), and

naenae Naenae (, occasionally spelled NaeNae) is a suburb of Lower Hutt. It lies on the eastern edge of the floodplain of the Hutt River, four kilometres from the Lower Hutt Central business district. A small tributary of the Hutt, the Waiwhetu Strea ...

(''Dubautia plantaginea''). Threats to this rare species and its habitat include introduced plant species, such as mistflower (''Ageratina riparia''), silk oak (''Grevillea robusta''), airplant (''Kalanchoe pinnata''),

lantana ''Lantana'' () is a genus of about 150 species of perennial flowering plants in the verbena family, Verbenaceae. They are native to tropical regions of the Americas and Africa but exist as an introduced species in numerous areas, especially in ...

(''Lantana camara''), haole koa (''Leucaena leucocephala'').

Feral pig The feral pig is a domestic pig which has gone feral, meaning it lives in the wild. They are found mostly in the Americas and Australia. Razorback and wild hog are Americanisms applied to feral pigs or boar-pig hybrids. Definition A feral pi ...

s and

feral goat The feral goat is the domestic goat (''Capra aegagrus hircus'') when it has become established in the wild. Feral goats occur in many parts of the world. Species Feral goats consist of many breeds of goats, all of which stem from the wild goat ...

s degrade the habitat. Fire, rockslides, and landslides can also damage populations.

References

External links

USDA Plants Profile
meyenii Endemic flora of Hawaii {{Rhamnaceae-stub