|
 |
| Photo
by Renee Brecht |
Britton and Brown. See
credits below. |
| Botanical name: |
Stylisma pickeringii var.
pickeringii |
| Common
name: |
Pickering's morning glory
|
| Synonomy |
| Bonamia pickeringii
(Torr. ex M.A. Curtis) Gray |
|
Breweria pickeringii
(Torr. ex M.A. Curtis) Gray
|
|
Breweria pickeringii
(Torr. ex M.A. Curtis) Gray var. caesariensis Fern. & Schub.
|
|
| Group: |
Dicot
|
| Family: |
Convolvulaceae |
| Growth
Type: |
Vine: Forb/herb |
| Duration: |
Perennial |
| Plant
height: |
forms a mound of 1-2 meters
|
| Flower
color: |
white, 5 petalled |
| Flower
size: |
small clusters of 1-5
|
| Flowering/fruiting time |
mid-July to late August.
|
| Habitat: |
dry to xeric, nutrient poor,
well-drained, coarse sandy soils with little to no competing vegetation
or litter
|
| Range in
New Jersey: |
Pine Barrens
|
| Heritage ranking if any: |
S1. State endangered, listed
Pinelands.
|
| Misc.: |
This subspecies known only from the
New Jersey Pine Barrens. Stems prostrate, leaves narrowly linear,
tapering toward the base.
Ecological Relationships
• There is slight
morphological variation between the disjunct populations (Fernald and
Schubert 1949).
• S. pickeringii appears to be a primary successional species and
cannot invade or colonize new areas without some sort of disturbance,
whether fire or mechanical. In fact, spread of the dawnflower is
greatest just following a spring or summer burn, where new shoots can
colonize, flower, and set seed on newly cleared soil (TNC 1993). The
optimal fire intensity, however, is unknown.
Current
Management Summary
•
Many populations occur in managed sandhills that presently receive
regular prescribed burns. However, there are a significant number of
roadside and other populations that lack a current management strategy
(Bert Pittman, SC Natural Heritage Trust Program, pers. comm.).
• Researchers in NJ report that prescribed burns destroyed
populations in their state (TNC 1993). |
Center
for Plant Conservation
|
NJ
DEP Element Stewardship Abstract
Named for Charles Pickering (1805-1878), a prominent Philadelphia
naturalist, member of the Wilkes Exploring Expedition, and prominent in
local botanical work.(Stone, 653) |
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Sources
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