P3R1O1T1O1S1T1E1L1E1S1
13 points
PROTOSTELES is validvalid
PROTOSTELE, a single stele in the middle of a stem or root [n]
PROTOSTELE, a stele in which the vascular tissue forms a solid core, with centrally placed xylem surrounded by phloem [n]
PROTOSTELE, a single stele in the middle of a stem or root [n]
PROTOSTELE, a stele in which the vascular tissue forms a solid core, with centrally placed xylem surrounded by phloem [n]