Kingdom:
Phylum:
Angiosperms
Order:
Santalales
Genus:
Species:
tuberosa
ID:
549197

Status:
valid

Authors:
Cav.

Source:
cmp

Year:
1797

Citation Micro:
Icon. 4: 57 (1797)

WFO Identifier:
wfo-0000548529



Common Names

  • Tuberous Arjona
  • Tuberous Carrotwood
  • Tuberous Carrot Wood


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Synonyms

  • Arjona appressa Phil. [unknown]
  • Arjona pungens Phil. [unknown]
  • Arjona tuberosa lanata Macloskie [unknown]
  • Arjona tuberosa patagonica A.DC. [unknown]
  • Quinchamalium patagonicum Spreng. [unknown]
  • Arjona tuberosa tuberosa [unknown]
  • Arjona apressa Phil. [unknown]

Description

Arjona tuberosa (also called Water Knotgrass, among many other common names) is an annual herbaceous plant native to tropical America. It has a slender, erect stem and grows up to 1 m tall. Its leaves are alternate, lanceolate, and up to 8 cm long. It is found in wet savannas, marshes, and wet meadows.

Uses & Benefits

Arjona tuberosa is used as an ornamental plant in gardens and parks. It is also used in traditional medicine for treating skin diseases, fever, and other ailments.

Cultivars, Varieties & Sub-species

Arjona tuberosa var. tandilensis (Kuntze) G.Dawson

Flower, Seeds and Seedlings

The flower of Arjona tuberosa is a white or yellowish-green, tubular flower with a long, curved spur. The seed is a small, dark brown, triangular-shaped seed. The seedling is a small, slender plant with a single, unbranched stem.

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Cultivation and Propagation

Arjona tuberosa can be propagated from seed or cuttings. Seeds should be sown in a well-drained, sandy soil and kept moist. Cuttings should be taken in spring or summer and rooted in a sandy soil. The plant prefers full sun or partial shade and should be protected from strong winds.

Where to Find Arjona tuberosa

Arjona tuberosa is native to Argentina and Chile.

Arjona tuberosa FAQ

What is the scientific name of Arjona tuberosa?

Arjona tuberosa

What is the common name of Arjona tuberosa?

Tuberous Arjona

What is the natural habitat of Arjona tuberosa?

Arjona tuberosa is native to the tropical regions of Central and South America.

Species in the Schoepfiaceae family

References