Question: Are Sprekelia and Arisaema both plants in the Amaryllis family?

Context articles: Worsleya
Beauverdia
Traubiinae
Amaryllidaceae
Leucojum
Sprekelia
Scadoxus
Arisaema
Arisaema dracontium
Zephyranthinae

Worsleya is a genus of Brazilian plants in the Amaryllis family, widely cultivated as an ornamental because of its showy flowers.
 There is only one known species, Worsleya procera, native to eastern Brazil.
 It is one of the largest (around 1.5 meters high) and rarest members of the subfamily Amaryllidoideae (family Amaryllidaceae).
Beauverdia is a genus of South American plants in the onion subfamily within Amaryllis family, native to Brazil, Uruguay, and Argentina.
 The plants are bulb-forming perennial herbs.
Traubiinae is a subtribe of plants classified under the tribe Hippeastreae.
 It belongs to the subfamily Amaryllidoideae of the Amaryllis family (Amaryllidaceae).
The Amaryllidaceae are a family of herbaceous, mainly perennial and bulbous (rarely rhizomatous) flowering plants in the monocot order Asparagales.
 The family takes its name from the genus "Amaryllis" and is commonly known as the amaryllis family.
 The leaves are usually linear, and the flowers are usually bisexual and symmetrical, arranged in umbels on the stem.
 The petals and sepals are undifferentiated as tepals, which may be fused at the base into a floral tube.
 Some also display a corona.
 Allyl sulfide compounds produce the characteristic odour of the onion subfamily (Allioideae).
Leucojum is a small genus of bulbous plants native to Eurasia belonging to the Amaryllis family, subfamily Amaryllidoideae.
 As currently circumscribed, the genus includes only two known species, most former species having been moved into the genus "Acis".
 Both genera are known as snowflakes.
Sprekelia is a genus of Mesoamerican plants in the Amaryllis family, subfamily Amaryllidoideae.
 "Sprekelia" plants are sometimes called Aztec lilies or Jacobean lilies although they are not true lilies.
Scadoxus is a genus of African and Arabian plants in the Amaryllis family, subfamily Amaryllidoideae.
 The English name "blood lily" is used for some of the species.
 The genus has close affinities with "Haemanthus."
 Species of "Scadoxus" are grown as ornamental plants for their brilliantly coloured flowers, either in containers or in the ground in frost-free climates.
 Although some species have been used in traditional medicine, they contain poisonous alkaloids.
Arisaema is a large and diverse genus of the flowering plant family Araceae.
 The largest concentration of species is in China and Japan, with other species native other parts of southern Asia as well as eastern and central Africa, Mexico and eastern North America.
 Asiatic species are often called cobra lilies, while western species are often called jack-in-the-pulpit; both names refer to the distinctive appearance of the flower, which consists of an erect central spadix rising from a spathe.
Arisaema dracontium (dragon-root, green dragon) is a herbaceous perennial plant in the genus "Arisaema" and the family Araceae.
 It is native to North America from Quebec through Minnesota south through Florida and Texas, where it is found growing in damp woods.
 It has also been reported from northeastern Mexico (Nuevo León + Veracruz) Plants grow 20 – tall when in bloom and after flowering reach 100 cm , and each grows from a corm.
 Normally, a plant produces one leaf with a long petioles, its leaf is composed of 7 to 13 leaflets, with its central leaflet being the largest one and with leaflets becoming smaller as they are produced distally, the leaflets are held out horizontally over the plant.
 During flowering in spring, a single slender, green spathe 3 - long is produced; it covers a tapering, long thin spadix.
 The tail-like spadix grows out around the top of its spathe.
 After flowering, up to 150 berries are produced in a club-shaped column.
 In late summer, the green berries turn orange-red, each berry produces 1 to 3 seeds.
 It is listed as a vulnerable species in Canada.
Zephyranthinae was a subtribe of plants classified under the tribe Hippeastreae.
 It belonged to the subfamily Amaryllidoideae of the Amaryllis family (Amaryllidaceae).
 They are generally small plants with solitary flowers.
 Spathes are fused forming a tube surrounding the pedicel of the flower.
 Most of its members were commonly known as rain lilies.
 It included four genera: