Question: What do Erica and Beschorneria have in common?

full_context: Document 1: Beaucarnea: Beaucarnea is a genus of flowering plants native to Mexico and Central America. In the APG III classification system, it is placed in the family Asparagaceae, subfamily Nolinoideae (formerly the family Ruscaceae). "Beaucarnea" is sometimes treated as a synonym of the genus "Nolina", with the species being then transferred to that genus. However, recent research shows that "Beaucarnea" should treated as an independent genus.
Document 2: Nolina nelsonii: Nolina nelsonii (Blue Nolina or Nelson's Bear Grass), often misspelled "Nolina nelsoni", is a flowering plant in the genus Nolina. The species was first described in 1906; in its genus, it is morphologically most similar to Nolina parryi. This extremely drought-tolerant plant is native to the deserts and montane regions in the State of Tamaulipas in northern/northeastern Mexico. It is known to be cold-hardy to at least -12 °C. It develops a trunk mesuring from one to several meters high, making it an arborescent member of its genus. The bluish-green leaves, with finely toothed margins, are borne in dense rosettes, each with up to several hundred stiff linear (narrow) leaves up to 70 centimeters long. It is dioecious; upon reaching sexual maturity, its white-flowered inflorescence appears in Spring. The fruit capsules are around 80 mm in length, containing light-brown, spherical to oblong seeds 2–3 mm in diameter. After blooming, the plant's main trunk dies and multiple lateral trunks emerge to take its place.
Document 3: Erica cerinthoides: Erica cerinthoides is a species of heath native to South Africa (the Cape Provinces, the Free State, KwaZulu-Natal, the Northern Provinces), Lesotho and Swaziland. Common names include fire erica, fire heath, red hairy heath, rooihaartjie or klipheide. Throughout its range the species shows marked variation in habit, flower characteristics and hairiness . A form with white flowers is found in Swaziland and the South African province of Mpumalanga while the variety "E. cerinthoides" var. "barbertona" has shorter flowers.
Document 4: Nolina microcarpa: Nolina microcarpa is a species of flowering plant in the asparagus family known by the common names sacahuista and palmilla. Like other species of "Nolina", it may be called beargrass. It is native to northern Mexico and the southwestern United States in Arizona and New Mexico. It does occur in the southwestern corner of Utah, where it has a limited distribution on Navajo Sandstone, but reports of it occurring in Texas may be in error.
Document 5: Hesperaloe: Hesperaloe (false yucca) is a genus of flowering plants in the family Asparagaceae, subfamily Agavoideae. It contains perennial yucca-like plants with long, narrow leaves produced in a basal rosette and flowers borne on long panicles or racemes. The species are native to the arid parts of Texas in the United States and Mexico and are sometimes cultivated as xerophytic ornamental plants.
Document 6: Epacris: Epacris is a genus of about 35–40 species of flowering plants in the family Ericaceae. It was formerly treated in a closely related but separate family Epacridaceae, but the various genera within Epacridaceae including "Epacris" have been revised in their relationships to each other and brought under the common umbrella of the Ericaceae. The genus "Epacris" is native to eastern and southeastern Australia (southeast Queensland south to Tasmania and west to southeast South Australia), New Caledonia and New Zealand. The species are known as heaths or Australian heaths.
Document 7: Cassiope: Cassiope is a genus of 9-12 small shrubby species in the family Ericaceae. They are native to the Arctic and north temperate montane regions. The genus is named after Cassiopeia of Greek mythology. Common names, shared with several other similar related genera, include heather and heath. They have scale-like leaves lying against the stems, and produce solitary bell-shaped flowers in late spring. Though hardy, flowers can be damaged by late frosts.
Document 8: Echinacea: Echinacea is a genus, or group of herbaceous flowering plants in the daisy family. The "Echinacea" genus has nine species, which are commonly called purple coneflowers. They are found only in eastern and central North America, where they are found growing in moist to dry prairies and open wooded areas. They have large, showy heads of composite flowers, blooming from early to late summer. The generic name is derived from the Greek word ἐχῖνος ("ekhinos"), meaning "hedgehog," due to the spiny central disk. These flowering plants and their parts have different uses. Some species are cultivated in gardens for their showy flowers. "Echinacea purpurea" is used in folk medicine. Two of the species, "E. tennesseensis" and "E. laevigata", are listed in the United States as endangered species.
Document 9: Beschorneria: Beschorneria is a genus of succulent plants belonging to the family Asparagaceae, subfamily Agavoideae, native to semi-arid areas of Mexico and Central America. They are generally large evergreen perennials forming clumps of grey-green leaves, with tall flower-spikes to 1.5 m . Marginally hardy, they may require winter protection in areas subject to frost.
Document 10: Erica lusitanica: Erica lusitanica is a species of flowering plant in the family Ericaceae, known by the common names Portuguese heath and Spanish heath. It is native to Spain, Portugal and southwestern France. It is named for Lusitania, a historical region encompassing most of modern Portugal and parts of western Spain.
Document 11: Heuchera: Heuchera is a genus of evergreen, herbaceous perennial plants in the family Saxifragaceae, all native to North America. Common names include alumroot and coral bells.
Document 12: Bessera: Bessera is a genus of Mexican plants in the cluster lily subfamily within the asparagus family. It is a small genus of 3 known species of mostly herbaceous flowering plants with corms. They have flowers with petals and petaloid sepals (tepals) with compound pistils.
Document 13: Erica: Erica is a genus of roughly 860 species of flowering plants in the family Ericaceae. The English common names "heath" and "heather" are shared by some closely related genera of similar appearance. The genus "Calluna" was formerly included in "Erica" – it differs in having even smaller scale-leaves (less than 2–3 mm long), and the flower corolla consisting of separate petals. "Erica" is sometimes referred to as "winter (or spring) heather" to distinguish it from "Calluna" "summer (or autumn) heather".
Document 14: Ericaceae: The Ericaceae are a family of flowering plants, commonly known as the heath or heather family, found most commonly in acid and infertile growing conditions. The family is large, with c. 4250 known species spread across 124 genera, making it the 14th most species-rich family of flowering plants. The many well-known and economically important members of the Ericaceae include the cranberry, blueberry, huckleberry, rhododendron (including azaleas), and various common heaths and heathers ("Erica", "Cassiope", "Daboecia", and "Calluna" for example).
Document 15: Brahea: Brahea is a genus of palms in the Arecaceae family. They are commonly referred to as Hesper Palms and are endemic to Mexico and Central America. All Hesper Palms have large, fan-shaped leaves.
ground_truth: plants