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Photo at approximately 6:30 PM. Plant also had fruits developing from cleistogamous flowers
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plants on an open exposed rockface of gypseous limestone on a foothill at the NW edge of the Sierra Parras, with Anulocaulis eriosolenus, Senegalia crassifolia, Opuntia rufida, Agave asperrima, Jatropha dioica, Selaginella lepidophylla Sericodes greggii.
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on silty gypseous clay and gravels on eastside breaks of the Pecos River
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sprawling perennial in roadside drainage swale crossing degraded grassland on generally flat plain of limestone gravels and calcareous soil.
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Time of photo 10 AM; flowers had been open night before, but have closed.
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Photo taken about 3/4 hour before sunset; flowers had opened a short time earlier, the stamens just now beginning to dehisce. Anthers and stigma tip are as far apart as they will be. Flowers will close in mid-morning.
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Photo at approximately 6:30 PM. Plant also had fruits developing from cleistogamous flowers
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Fruit developing from cleistogamous flower on plant that also bore chasmogamous flowers.
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plants on an open exposed rockface of gypseous limestone of foothill at the NW edge of the Sierra Parras, with Anulocaulis eriosolenus, Senegalia crassifolia, Opuntia rufida, Agave asperrima,Jatropha dioica, Selaginella lepidophylla Sericodes greggii.
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on silty gypseous clay and gravels on eastside breaks of the Pecos River
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Photo is of cleistogamous flower, ca. 2 cm long. Very few chasmogamous flowers on plant.
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Photo taken about 3/4 hour before sunset; flowers had opened a short time earlier, the stamens just now beginning to dehisce. Anthers and stigma tip are as far apart as they will be. Flowers will close in mid-morning.
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plants on an open exposed rockface of gypseous limestone of foothill at the NW edge of the Sierra Parras, with Anulocaulis eriosolenus, Senegalia crassifolia, Opuntia rufida, Agave asperrima,Jatropha dioica, Selaginella lepidophylla Sericodes greggii.
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plants on an open exposed rockface of gypseous limestone of foothill at the NW edge of the Sierra Parras, with Anulocaulis eriosolenus, Senegalia crassifolia, Opuntia rufida, Agave asperrima, Jatropha dioica, Selaginella lepidophylla, Sericodes greggii. Plants usually cleistogamous.
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on silty gypseous clay and gravels on eastside breaks of the Pecos River
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Plant was almost fully chasmogamous
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Photo taken about 3/4 hour before sunset
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plants on an open exposed rockface of gypseous limestone of a foothill on the NW edge of the Sierra Parras, with Anulocaulis eriosolenus, Senegalia crassifolia, Acleisanthes angustifolia, Opuntia rufida, Agave asperrima,Jatropha dioica Selaginella lepidophylla Sericodes greggii. Plants usually cleistogamous.
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on silty gypseous clay and gravels on eastside breaks of the Pecos River
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Plant on silty gypseous clay and gravels on eastside breaks of the Pecos River, New spring foliage pushing through last years dead stems.
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Limb of chasmogamous flower
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Photo taken about 3/4 hour before sunset; flowers had opened a short time earlier, the stamens just now beginning to dehisce. Anthers and stigma tip are as far apart as they will be. Flowers will close in mid-morning.
