Kingdom:
Phylum:
Angiosperms
Order:
Poales
Family:
Genus:
Species:
tristis
ID:
615488

Status:
valid

Authors:
L.B.Sm. & Downs

Source:
wcs

Year:
1963

Citation Micro:
Publ. Mus. Hist. Nat. "Javier Prado", Ser. B, Bot. 15: 9 (1963)

WFO Identifier:
wfo-0000614820



Common Names

  • Xyris tristis
  • Sad Yellow-eyed Grass
  • Xyris tristis


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Description

Xyris tristis (also called Yellow-eyed Grass, among many other common names) is a perennial herbaceous plant found in wet meadows, swamps and marshes in the southeastern United States. It has long, narrow leaves and yellow flowers with three petals.

Uses & Benefits

Xyris tristis is used as an ornamental plant in gardens and as a groundcover. It is also used in traditional medicine for treating skin ailments and respiratory problems.

Flower, Seeds and Seedlings

The flower of Xyris tristis is yellow and has three petals. The seed is a small, dark brown, three-angled nut. The seedlings are slender and have long, narrow leaves.

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Cultivation and Propagation

Xyris tristis is a perennial herb native to South America. It is a low-growing, mat-forming plant with yellow flowers. It can be propagated by division or by seed. It prefers full sun to partial shade and well-draining soil. Water regularly during the growing season and reduce watering in winter. It is also sensitive to frost.

Where to Find Xyris tristis

Xyris tristis is found in tropical rainforests in Central and South America.

Xyris tristis FAQ

What is the scientific name of Xyris tristis?

Xyris tristis

What type of plant is Xyris tristis?

A perennial herb

Where is Xyris tristis found?

Central and South America

Species in the Xyris genus

Xyris aberdarica, Xyris acrophila, Xyris affinis, Xyris albescens, Xyris almae, Xyris ambigua, Xyris amorimii, Xyris anceps, Xyris andina, Xyris angularis, Xyris angustifolia, Xyris anisophylla, Xyris apureana, Xyris aquatica, Xyris aracamunae, Xyris arachnoidea, Xyris araracuarae, Xyris archeri, Xyris aristata, Xyris asperula, Xyris asterotricha, Xyris atrata, Xyris atriceps, Xyris atrovirida, Xyris augusto-coburgii, Xyris aurea, Xyris bahiana, Xyris baldwiniana, Xyris bampsii, Xyris bancana, Xyris barteri, Xyris bialata, Xyris bicarinata, Xyris bicephala, Xyris bicostata, Xyris bissei, Xyris blanchetiana, Xyris blepharophylla, Xyris boliviana, Xyris borneensis, Xyris brachyfolia, Xyris brachysepala, Xyris bracteata, Xyris brevifolia, Xyris byssacea, Xyris cachimbensis, Xyris calcicola, Xyris calderonii, Xyris calostachys, Xyris caparaoensis,

Species in the Xyridaceae family

Abolboda abbreviata, Abolboda acaulis, Abolboda acicularis, Abolboda americana, Abolboda bella, Abolboda ciliata, Abolboda dunstervillei, Abolboda ebracteata, Abolboda egleri, Abolboda glomerata, Abolboda grandis, Abolboda killipii, Abolboda linearifolia, Abolboda macrostachya, Abolboda neblinae, Abolboda paniculata, Abolboda poarchon, Abolboda pulchella, Abolboda scabrida, Abolboda sprucei, Abolboda uniflora, Abolboda granularis, Achlyphila disticha, Aratitiyopea lopezii, Orectanthe ptaritepuiana, Orectanthe sceptrum, Xyris aberdarica, Xyris acrophila, Xyris affinis, Xyris albescens, Xyris almae, Xyris ambigua, Xyris amorimii, Xyris anceps, Xyris andina, Xyris angularis, Xyris angustifolia, Xyris anisophylla, Xyris apureana, Xyris aquatica, Xyris aracamunae, Xyris arachnoidea, Xyris araracuarae, Xyris archeri, Xyris aristata, Xyris asperula, Xyris asterotricha, Xyris atrata, Xyris atriceps, Xyris atrovirida,

References

Lyman Bradford Smith (1904-1997): Based on occurrence of standard abbreviation 'L.B.Sm.' in the authors string.
Robert Jack Downs (b.1923): Based on occurrence of standard abbreviation 'Downs' in the authors string.
POWO record for urn:lsid:ipni.org:names:270225-2: Based on the WCVP April 2023 data release.