{"product_id":"astrophytum-myriostigma-var-strongylogonum-villar-slp-mexican-collector-cactus-growing-in-4-inch","title":"Astrophytum myriostigma var. strongylogonum, Villar, SLP | Mexican Collector Cactus Growing in 4 Inch","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAstrophytum myriostigma var. strongylogonum 'Villar, SLP'\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a distinctive locality form of the classic Bishop’s Cap cactus originating near \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVillar in eastern San Luis Potosí, Mexico\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. It is especially admired for its broad, low, strongly rounded ribs, which give mature plants a softer and more sculptural appearance than the sharply angled ribs commonly associated with typical \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eAstrophytum myriostigma\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlants are spineless and generally develop five ribs, although rib number can vary with age and individual genetics. The epidermis is covered with the characteristic white woolly flecks of \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eA. myriostigma\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e, creating a beautiful contrast against the gray-green underlying stem. Mature plants often become increasingly broad and columnar with age while retaining the rounded rib profile historically associated with \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estrongylogonum\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eNative Habitat:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVillar population\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e occurs near \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEstación Villar in San Luis Potosí, Mexico\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, an area historically associated with the type locality of \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eAstrophytum myriostigma\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e var. \u003c\/span\u003e\u003cem\u003e\u003cspan\u003estrongylogonum\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e. Documented field collections from Villar have been recorded at approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,500–1,590 meters (4,920–5,215 feet)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e elevation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlants grow on \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003erocky limestone hills and open clearings within dry shrubland\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, where pale limestone fragments cover much of the soil surface. The open habitat provides intense sunlight and rapid drainage while surrounding shrubs offer varying amounts of natural shelter. Other specialized cacti have been documented growing in the same general habitat, illustrating the rich xerophytic flora of this region of San Luis Potosí.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eFlowering Information:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eMature plants produce large \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebright yellow flowers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e from the woolly crown during the warm growing season. The flowers provide a striking contrast against the white-flecked, gray-green body and may be produced repeatedly on well-established specimens.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe flowers are \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ehermaphroditic\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, containing functional stamens and a functional pistil within each flower.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eSoil Type:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eGrow in a highly porous, predominantly mineral substrate consisting of \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003epumice, coarse limestone gravel, decomposed granite, coarse grit, and only a modest amount of organic material\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Excellent drainage is essential, particularly during cool weather.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eAlthough the Villar population occurs in limestone country, cultivation does not require pure limestone. The primary goal is a mineral-rich mixture that drains rapidly and does not remain saturated around the roots.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eHardiness:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eBest suited to approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUSDA Zones 9–11\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Established plants can tolerate \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebrief light freezes to around 23°F (-5°C) when completely dry\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, but prolonged freezing temperatures and cold, wet soil should be avoided.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eProvide a \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ecool, dry winter dormancy\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, greatly reducing or withholding water during the coldest part of the year. Dry winter conditions are particularly important for maintaining a healthy root system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eLight Requirements:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThrives in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebright light to full sun\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, although plants should be gradually acclimated to intense exposure. Strong light promotes compact growth, broad ribs, heavy development of the characteristic white epidermal flecking, and dependable flowering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eIn extremely hot climates, light afternoon protection can reduce heat stress while still maintaining the naturally compact growth form.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003ePropagation:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003ePropagation is primarily from \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eseed\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Seed-grown plants preserve the natural variation found within the Villar population and develop the symmetrical growth habit characteristic of the species.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003ePlants are normally solitary, so vegetative propagation is generally not practical. Grafting can accelerate growth but often produces a more inflated appearance than specimens maintained naturally on their own roots.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eCollector’s Note:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eAstrophytum myriostigma var. strongylogonum\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e was formally published by \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eCurt Backeberg in 1961\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, with the name traditionally associated with plants from the valley near \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEstación Villar, San Luis Potosí\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. The form is characterized especially by its \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ebroad, low, strongly rounded ribs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, which distinguish mature plants visually from many populations of typical \u003c\/span\u003e\u003cem\u003e\u003cspan\u003eA. myriostigma\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eVillar has a long history in cactus collecting. One particularly well-documented collection is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eAlfred Lau 728\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, collected at Villar on \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eNovember 13, 1974\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, at approximately \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e1,500 meters elevation\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e. Other collector accessions from the same locality further demonstrate the importance of Villar as a reference population for the strongylogonum phenotype.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eKew’s Plants of the World Online currently treats \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan\u003eAstrophytum myriostigma\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cspan\u003e var. \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan\u003estrongylogonum\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cspan\u003e as a synonym of \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan\u003eAstrophytum myriostigma\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cstrong\u003e\u003cspan\u003e ssp. \u003c\/span\u003e\u003c\/strong\u003e\u003cem\u003e\u003cstrong\u003e\u003cspan\u003emyriostigma\u003c\/span\u003e\u003c\/strong\u003e\u003c\/em\u003e\u003cspan\u003e, rather than recognizing it as a separate botanical variety. We however regard \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003estrongylogonum\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e as an important historical and horticultural designation for this distinctive geographic phenotype.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eVillar locality remains particularly significant\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e because it preserves both geographic provenance and the classic broad-ribbed morphology historically associated with the name \u003c\/span\u003e\u003cem\u003e\u003cspan\u003estrongylogonum\u003c\/span\u003e\u003c\/em\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eThis is for one plant similar to the one shown growing in a 4\" inch container shipped bare root. All of our plants are guaranteed pest-free and healthy upon delivery, and we ship within the United States. Shipping is done Monday thru Friday.\u003cbr\u003eAny questions please ask.\u003cbr\u003e#prsucculents\u003c\/p\u003e","brand":"Phoenix Rising Succulents","offers":[{"title":"Default Title","offer_id":47336100954281,"sku":null,"price":20.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0217\/7391\/0096\/files\/20260720_173904.jpg?v=1786238220","url":"https:\/\/prsucculents.com\/products\/astrophytum-myriostigma-var-strongylogonum-villar-slp-mexican-collector-cactus-growing-in-4-inch","provider":"Phoenix Rising Succulents","version":"1.0","type":"link"}