Complex sentence: Within the hippeastroid clade, the tribe Griffineae is resolved as sister Hippeastreae, whithin which "Rhodophiala" and "Zephyranthes" are resolved as polyphyletic.
Split into simpler sentences: Within the hippeastroid clade, the tribe Griffineae is resolved as sister to the rest of Hippeastreae. The genera "Rhodophiala" and "Zephyranthes" are resolved as polyphyletic.