The cones are globose to ovoid, 1.5–2.5 cm (0.59–0.98 in) in diameter with 16-28 scales, arranged in opposite pairs in four rows, each pair at right angles to the adjacent pair they mature in about 8–9 months after pollination. The pollen cones are 5–6 mm (0.20–0.24 in) long, produced on long spikes in early spring they are only produced on trees growing in regions with hot summers. The leaves are opposite, 1–3 cm (0.39–1.2 in) long, and bright fresh green, turning a foxy red-brown in fall. It is a fast-growing tree to 40–45 m (130–148 ft) tall and 2 ft (0.61 m) trunk diameter in cultivation so far (with the potential to grow to even greater heights). While the bark and foliage are similar to another closely related redwood genus Sequoia, M. glyptostroboides differs from the coast redwood in that it is deciduous like Taxodium distichum (bald cypress), and like that species, older specimens form wide buttresses on the lower trunk.
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