Assertion: bryophyte sporophyte | /r/Desires | additional photosynthate
Facets:
value: from the gametophyte
type: OTHER
Source sentences:
text: Even when capable of photosynthesis, as in mosses and hornworts, bryophyte sporophytes require additional photosynthate from the gametophyte to sustain growth and spore development and are dependent on the gametophyte for their supplies of water, mineral nutrients and nitrogen.