Small Matweed

(Guilleminea densa)

Small Matweed (Guilleminea densa)

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Estimated Native Range
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Summary

Guilleminea densa, commonly known as Small Matweed, is a perennial herb that can be either semi-deciduous or deciduous, depending on the climate. It is native to the grasslands and dry forests of the Central and Southern Andes, as well as the Gran Chaco region, which is characterized by hot summers and a wide range of soil types, from sandy to clay. Small Matweed typically reaches a height of 0.2 feet (0.06 meters) and spreads out to 0.7-1 feet (0.2-0.3 meters), forming a dense ground cover. It has a prostrate growth habit with small, green leaves and produces cream-colored flowers during the summer and fall months. The flowers are modest in size and not particularly showy, but they do add a subtle charm to the plant’s overall appearance.

Small Matweed is valued for its drought tolerance and ability to thrive in poor soils, making it an excellent choice for xeriscaping and rock gardens. It is also used as a ground cover in areas with hot, dry climates. In cultivation, it requires minimal care, preferring full sun exposure and soils with fast drainage. While it can tolerate low water conditions, occasional watering during prolonged dry spells can help maintain its vigor. It is not commonly affected by diseases or pests, making it a low-maintenance option for gardeners. However, it is important to avoid overwatering, as this can lead to root rot.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 0.1-0.2 feet
  • Width: 0.7-1 feet
  • Growth Rate: Moderate
  • Flower Color: White
  • Flowering Season: Summer, Fall
  • Leaf Retention: Semi-Deciduous, Deciduous

Growth Requirements

  • Sun: Full Sun
  • Water: Low
  • Drainage: Fast

Common Uses

Drought Tolerant, Low Maintenance

Natural Habitat

native to the grasslands and dry forests of the Central and Southern Andes, as well as the Gran Chaco region, which is characterized by hot summers and a wide range of soil types, from sandy to clay

Other Names

Common Names:

Scientific Names: , Guilleminea densa, Brayulinea densa, Guilleminea densa var. densa, Guilleminea illecebroides, Gossypianthus australis, Guilleminea australis, Illecebrum densum, Achyranthes conferta, Brayulinea australis

GBIF Accepted Name: Guilleminea densa (Willd.) Moq.