{"product_id":"frailea-castanea","title":"Frailea castanea","description":"\u003ch2\u003e\u003cb\u003eScientific Name\u003c\/b\u003e\u003c\/h2\u003e\n\u003cdiv class=\"attachment-container search-images\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003ci\u003eFrailea castanea\u003c\/i\u003e Backeb.\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eGeographic \u0026amp; Climate\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eGeographic Coordinates:\u003c\/b\u003e Approx. 29°50'S – 31°30'S, 53°40'W – 57°10'W (Southern Brazil: Rio Grande do Sul; Northern Uruguay)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eClimate Classification:\u003c\/b\u003e Humid Subtropical Climate (Köppen \u003ci\u003eCfa\u003c\/i\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHabitat Characteristics:\u003c\/b\u003e Altitude approx. 100–350 meters above sea level. Inhabits stony grasslands (Pampa biome), growing exposed or partially shaded on thin, gravelly, sandy, well-draining acidic soils with well-distributed annual rainfall (1,200–1,500 mm) and distinct warm-summer\/mild-winter temperature fluctuations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003eBotanical Morphology\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDiagnostic Features:\u003c\/b\u003e Solitary, flattened-globose to button-like discoid stem reaching 1.5–4 cm in diameter and up to 1.5–2 cm in height. Body color ranges from dark reddish-brown, reddish-chocolate, to dark purple-green. Features 8–14 flat, broad, low ribs separated by fine superficial vertical grooves. Areoles carry 3–8 tiny, short (1–2 mm), dark brown to black appressed spines that curve back against the plant body, giving an insect-like appearance. Flowers are pale yellow (2–2.5 cm wide), strongly cleistogamous (frequently self-pollinated without opening unless temperatures are exceptionally high).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eGrowth Habit:\u003c\/b\u003e Very slow-growing dwarf geophyte. Enters dry\/cold winter dormancy. Maximum mature diameter rarely exceeds 4–5 cm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003eHistory \u0026amp; Etymology\u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEtymology:\u003c\/b\u003e The generic name \u003ci\u003eFrailea\u003c\/i\u003e honors Americo Fraile, a former curator of the cactus collection at the National Department of Agriculture in Buenos Aires, Argentina. The specific epithet \u003ci\u003ecastanea\u003c\/i\u003e derives from Latin \u003ci\u003ecastaneus\u003c\/i\u003e (chestnut), referring to the distinctive dark chestnut-brown coloration of the plant body.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHistorical Context:\u003c\/b\u003e Formally described by German botanist Albert Frederik Hendrik Backeberg in 1936. Long known in horticulture under the synonym \u003ci\u003eFrailea asterioides\u003c\/i\u003e Werderm., this species became widely popular among cactus collectors due to its unique sea-urchin-like geometry and dark button-like appearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BotanicalCollector","offers":[{"title":"No.595|W5.1cm|Own-rooted","offer_id":71010768912637,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"No.593|W5.2cm|Own-rooted","offer_id":71010768945405,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"No.592|W5.2cm|Own-rooted","offer_id":71010937897213,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"No.594|W4.6cm|Own-rooted","offer_id":71010768978173,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"No.596|W5.3cm|Own-rooted","offer_id":71010804760829,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"Same Size Shipped|W5-5.5cm|Own-rooted","offer_id":71010804793597,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/3552\/4605\/files\/IMG_7242.jpg?v=1786084068","url":"https:\/\/www.botanicalcollector.com\/products\/frailea-castanea","provider":"BotanicalCollector","version":"1.0","type":"link"}