Styrax platanifolius subsp. stellatus

(Cory) P. W. Fritsch

Ann. Missouri Bot. Gard. 84: 743. 1998 ,.

Common names: Hairy sycamore-leaf snowbell
Basionym: Styrax platanifolius var. stellatus Cory Madroño 7: 111. 1943 (as stellata)
Treatment appears in FNA Volume 8. Treatment on page 344. Mentioned on page 343.

Young twigs with sparse, white, stellate hairs in addition to scattered, orange-brown or dark-brown, stalked, stellate hairs proximally. Leaf blades: margins often irregularly undulate, usually weakly 3-lobed or coarsely toothed, sometimes entire, abaxial surface with scattered, white, stellate hairs in addition to scattered, orange-brown or dark-brown, stalked, stellate hairs on some leaves, surface visible through pubescence, adaxial surface with scattered, stellate pubescence. Pedicels with white, stellate hairs of various lengths. Flowers: calyx with white, stellate hairs of various lengths, margins and teeth densely glandular, at least some teeth to 1 mm; style hairy from proximal end to 50–70% of total length.


Phenology: Flowering Apr–May; fruiting Jul–Sep.
Habitat: Dry, wooded bottomlands, rocky banks and ledges
Elevation: 500-700 m

Discussion

The range of subsp. stellatus is contiguous with the southern boundary of subsp. platanifolius at the southern edge of the Edwards Plateau. It is rare throughout most of its range.

Selected References

None.

Lower Taxa

None.
Peter W. Fritsch +
(Cory) P. W. Fritsch +
Styrax platanifolius var. stellatus +
Hairy sycamore-leaf snowbell +
500-700 m +
Dry, wooded bottomlands, rocky banks and ledges +
Flowering Apr–May +  and fruiting Jul–Sep. +
Ann. Missouri Bot. Gard. +
Styrax platanifolius subsp. stellatus +
Styrax platanifolius +
subspecies +