Acaena is a genus of about 60 species of mainly evergreen, creeping herbaceous perennial plants and subshrubs in the family Rosaceae, native mainly to the Southern Hemisphere, notably New Zealand, Australia and South America, but with a few species extending into the Northern Hemisphere, north to Hawaii and California (A. pinnatifida).

Acaena inermis, commonly called New Zealand burr or sheep's burr, is a low-growing herbaceous to semi-evergreen perennial native to open, grassy, montane and subalpine areas of New Zealand. This mat-forming ground cover will reach up to 2" tall and spread to fill a 2' area.

小叶芒刺果（学名：Acaena microphylla） 是薔薇科芒刺果属的匍匐高山玫瑰，原产于新西兰。 叶子在夏季变成红铜色，是一种很好的地被植物，与其他植物相得益彰。

Jan 31, 2024 · Acaena microphylla is a prostate mat growing evergreen herbaceous perennial that can reach 10 cm (4 inches) tall, but heights of around 3–5 cm (1.5 inches) are more common. They usually have a spread to about of 50 to 100 cm (20–40 inches), and it takes two to five years for them to reach their full potential.

Oct 18, 2023 · In this Gardener's HQ guide, we'll explore cultivating Acaena plants in your garden, indoor spaces, and other settings. Plant Characteristics: Acaena plants present petite, often spiky seed pods and delicate feathery foliage. Their intriguing textures and ground-covering nature can make them a great conversation starter in gardens.

On subantarctic islands the barbed fruits of Acaena spp. seem particularly well adapted for dispersal by this means. Such seeds have been seen embedded in the plumage of H. caerulea, Pelagodroma marina and D. exulans (e.g. photo in Huntley, 1971 ), and Acaena is commonly abundant around petrel colonies like those of Pachyptila desolata at ...

Often grows with Acaena novae-zelandiae but can be recognised by the distinctive tuft of brush-like hairs surmounting the leaf teeth apices. Undersides of leaves are distinctly silvery due to dense covering of appressed silky hairs. Acaena juvenca and A. emittens are closely related.

These 100 or so species of creeping, mostly evergreen, perennials and subshrubs hail from California, Hawaii, and a lot of the Southern hemisphere. They are grown for their colorful leaves, unusual flowers, and showy, spiny burrs (which may attach themselves to pets or clothing). Grow Acaena as groundcover or rock garden plants.

Herbs, perennial, 1–15 dm diam.; from branched, woody caudex or stoloniferous. Stems 1–20, creeping and rooting or suberect, basally woody, clad in old leaf bases, glabrous or sparsely pilose.

Acaena pinnatifida var. californica is a perennial herb that is native to California, and endemic (limited) to California. also called Acaena californica Siskiyou