Are both Tylecodon and Witch-hazels plants
Witch-hazel Witch-hazels ("Hamamelis," ) are a genus of flowering plants in the family Hamamelidaceae, with four species in North America ("H. mexicana", "H. ovalis", "H. virginiana", and "H. vernalis"), and one each in Japan ("H. japonica") and China ("H. mollis"). The North American species are occasionally called winterbloom.
Yucca neomexicana Yucca neomexicana is a plant in the family Asparagaceae, native to New Mexico, Colorado and Oklahoma. Common name is "New Mexican Spanish Bayonet." It is similar to "Y. harrimaniae" but with a longer flowering stalk and white (rather than yellowish) flowers.