acorn cup造句

• The acorn cup is covered with long overlapping scales and russet hairs.
• The acorn cups are light grey to almost white, with pointed, overlapping scales, covered with tomentum.
• The flowers are catkins, produced in the spring and maturing in about 6 7 months into acorns long and broad, largely enclosed by the cupule ( acorn cup ).
• The flowers are catkins, and the fruit are acorns 1 & ndash; 1.6 cm long, with series of concentric rings on the outside of the acorn cup.
• Although normally distinctive the knopper gall can, under some growth conditions, be mistaken for the acorn cup gall, caused by the gall wasp " Andricus grossulariae ".
• Although normally distinctive the asexual acorn cup gall can, under some growth conditions, be mistaken for the knopper gall, caused by the gall wasp " Andricus quercuscalicis ".
• Common names given to the fungus include " charcoal loving elf-cup ", " dwarf acorn cup ", " pixie cup ", and the British Mycological Society approved " stalked bonfire cup ".
• As stated, two forms of galls exist for this species, the asexual phase inducing the acorn cup gall on the cups in late summer and the sexual phase inducing rounded galls on the oak catkins in spring.
• The fruit is an acorn, maturing about 18 months after pollination, 2 3 cm long and 2 cm broad, bicoloured with an orange basal half grading to a green-brown tip; the acorn cup is 1.5 2 cm deep, densely covered in soft 4 8 mm long'mossy'bristles.
• The flowers are wind-pollinated catkins, maturing about 18 months after pollination; the fruit is a large acorn, 2.5-4 cm long and 2 cm broad, bicoloured with an orange basal half grading to a green-brown tip; the acorn cup is 2 cm deep, densely covered in soft 4 8 mm long'mossy'bristles.