Grona — 8 species
Botanical species in the genus Grona recorded in the PlantPeers database.

Grona adscendens
Grona adscendens
Family: Fabaceae
Cultivation
The plant has become a weed in many areas of the tropics and is often considered to be invasive. Because of the abundant small uncinate hairs on most species, the seedpods cling most tenaciously to clothing, to any part of the human body, and also to the feathers and hair of various animals, thus ensuring a wide dispersal of the plants. Plants can flower and produce fruit all year round.
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Grona barbata
Grona barbata
Family: Fabaceae
Cultivation
Prefers a deep, fertile soil. Grows well on acid, calcium-deficient soils. A common weedy plant in many areas of its native range.
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Grona heterocarpos
Grona heterocarpos
Family: Fabaceae
Cultivation
A plant of the moist tropics and subtropics, where it is found at elevations up to 1,000 metres. It grows best in areas where annual daytime temperatures are within the range 14 - 24°c, but can tolerate 4 - 34°c. It prefers a mean annual rainfall in the range 2,000 - 3,000mm, but tolerates 1,000 - 4,000mm, and a weak dry season of no more than 3 - 4 months.
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Grona heterophylla
Grona heterophylla
Family: Fabaceae
Cultivation
A plant of the moist tropics, where it is found at elevations up to 900 metres. It grows best in areas where annual daytime temperatures are within the range 23 - 28°c, but can tolerate 12 - 35°c. It cannot tolerate frost.
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Grona rubra
Grona rubra
Family: Fabaceae
Cultivation
Because of the abundant small uncinate hairs on most species, the seedpods cling most tenaciously to clothing, to any part of the human body, and also to the feathers and hair of various animals, thus ensuring a wide dispersal of the plants. This species has a symbiotic relationship with certain soil bacteria; these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby.
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Grona strigillosa
Grona strigillosa
Family: Fabaceae
Cultivation
Because of the abundant small uncinate hairs on most species, the seedpods cling most tenaciously to clothing, to any part of the human body, and also to the feathers and hair of various animals, thus ensuring a wide dispersal of the plants.
Full cultivation guide →
Grona styracifolia
Grona styracifolia
Family: Fabaceae
Cultivation
The range of Grona styracifolia extends from southeastern China (hardiness zone 8 in Anhui and Hubei) to the tropical regions of southeast Asia. Plants from the north of its range experience light to occasionally moderate frosts and can be expected to succeed outdoors in the warmer regions of the temperate zone. Requires a well-drained soil and a sunny sheltered position.
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Grona triflora
Grona triflora
Family: Fabaceae
Cultivation
A plant of the moist, lowland tropics, where it is found at elevations up to 1,000 metres. It grows best in areas where annual daytime temperatures are within the range 18 - 28°c, but can tolerate 14 - 32°c. It can be killed by temperatures of -1°c or lower.
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