| Family | ROSACEAE |
| Genus species | Acaena pinnatifida Ruiz & Pav. |
| Bibliography | Fl. Peruv. 1: 68 (1798) |
| Native Range | California, s. South America |
| Primary Biome | Temperate |
| Habitat | sandy grassland |
| Altitude | 50-3000m |
| Description | leaves 2-8cm long, 6-9 pairs leaflets oblong to wide elliptic, abaxially hirsute, pinnatisect, segments narrow, floral heads cylindrical, anthers dark purple |
| Size | 5-40cm |
| Color | |
| Bloom | summer |
| Ca | |
| Type | perennial |
| Cultivation | sunny site with a poor, sandy soil alpine house, sandy soil, sun |
| Propagation | seed in winter, germ. 3-12 months, 10-16°C division in early spring and fall; cuttings in late summer |
| Synonyms | Acaena aculeata Meyen Acaena andicola Gillies ex Walp. Acaena arthrotricha Bitter Acaena calcitrapa Phil. Acaena californica Bitter Acaena californica var. brevifoliolata Bitter Acaena californica var. grandis Bitter Acaena californica var. polyarthrotricha Bitter Acaena californica var. remotiflorens Bitter Acaena californica var. subglabriscapa Bitter Acaena euacantha Phil. Acaena incisa Lindl. Acaena leptophylla Phil. Acaena longifolia Phil. Acaena lucida Willd. ex Steud. Acaena montana Phil. Acaena multifida Hook.f. Acaena multifida ssp. abavia Bitter Acaena multifida ssp. alaticonnata Bitter Acaena multifida var. canella Bitter Acaena multifida var. glaberrima Speg. Acaena multifida var. intercedens Bitter Acaena multifida var. microphylla Bitter Acaena multifida var. minor Bitter Acaena multifida var. multiglomerulans Bitter Acaena multifida var. quinquefida Bitter Acaena multifida var. ramificans Bitter Acaena multifida var. subexalaris Bitter Acaena multifida var. utrinquepilosa Bitter Acaena oligacantha Phil. Acaena pectinata C.Presl Acaena pinnatifida var. aconcaguensis Bitter Acaena pinnatifida ssp. aculeata (Meyen) Bitter Acaena pinnatifida var. aculeata (Meyen) Reiche Acaena pinnatifida ssp. brevispica Bitter Acaena pinnatifida var. calcitrapa (Phil.) Reiche Acaena pinnatifida var. californica (Bitter) Jeps. Acaena pinnatifida var. depauperata Bitter Acaena pinnatifida var. elatior Bitter Acaena pinnatifida var. euacantha (Phil.) Reiche Acaena pinnatifida var. glabrata Speg. Acaena pinnatifida var. glabricupula Bitter Acaena pinnatifida var. gracilescens Bitter Acaena pinnatifida ssp. grandiflora Bitter Acaena pinnatifida ssp. heterotricha Bitter Acaena pinnatifida var. humilior Bitter Acaena pinnatifida ssp. hypoleuca Bitter Acaena pinnatifida var. intermedia Bitter Acaena pinnatifida var. leptophylla (Phil.) Reiche Acaena pinnatifida ssp. liocarpa Bitter Acaena pinnatifida var. longifolia (Phil.) Reiche Acaena pinnatifida ssp. longifolia (Phil.) Bitter Acaena pinnatifida var. longiuscula Bitter Acaena pinnatifida var. macrura Bitter Acaena pinnatifida ssp. mansoensis Bitter Acaena pinnatifida ssp. membranacea Bitter Acaena pinnatifida ssp. mollis Bitter Acaena pinnatifida var. montana (Phil.) Reiche Acaena pinnatifida ssp. nudiscapa Bitter Acaena pinnatifida var. oligacantha (Phil.) Reiche Acaena pinnatifida ssp. oligacantha (Phil.) Bitter Acaena pinnatifida var. pallidiflora Bitter Acaena pinnatifida var. parvifrons Bitter Acaena pinnatifida ssp. pliacantha Bitter Acaena pinnatifida ssp. tomentellicupula Bitter Acaena pinnatifida var. uspallatensis Bitter Ancistrum pinnatifidum (Ruiz & Pav.) Poir. |
| Territory | 7 Northern America 76 Southwestern U.S.A. (CAL California) 8 Southern America 85 Southern South America (AGE Argentina Northeast, AGS Argentina South, AGW Argentina Northwest, CLC Chile Central, CLS Chile South) |