desert night-blooming cereus |
Peniocereus greggii var. greggii |
Plants |
Not Listed |
Not Listed |
G3G4T3 |
S2 |
False |
Chihuahuan Desert shrublands or shrub invaded grasslands in alluvial or gravelly soils at lower elevations, 1200-1500 m (3900-4900 ft), on slopes, benches, arroyos, flats, and washes; flowering synchronized over a few nights in early May to late June when almost all mature plants bloom, flowers last only one day and open just after dark, may flower as early as April |
Alamo beardtongue |
Penstemon alamosensis |
Plants |
Not Listed |
Not Listed |
G3 |
S1 |
False |
Rocky soils derived from limestone (in Texas), usually in sheltered sites, often on north facing slopes and in mesic canyon bottoms, occasionally in rock crevices or among unbrowsed shrubs; flowering late April-June |
royal red penstemon |
Penstemon cardinalis var. regalis |
Plants |
Not Listed |
Not Listed |
G3T2T3 |
S2 |
False |
Pine-oak woodlands in canyons at higher elevations in the Davis and Guadalupe mountains; flowering May-June (-August) |
Guadalupe beardtongue |
Penstemon guadalupensis |
Plants |
Not Listed |
Not Listed |
G3 |
S3 |
True |
Scattered in calcareous prairies on the Lampasas Cutplain and Edwards Plateau; Perennial; Flowering/Fruiting March-July |
threeflower penstemon |
Penstemon triflorus ssp. triflorus |
Plants |
Not Listed |
Not Listed |
G3T3 |
S3 |
True |
Occurs sparingly on rock outcrops and in grasslands associated with juniper-oak woodlands (Carr 2015). |
Heller's beardtongue |
Penstemon triflorus var. integrifolius |
Plants |
Not Listed |
Not Listed |
G3T2 |
S2 |
True |
Occurs sparingly on rock outcrops and in grasslands associated with juniper-oak woodlands (Carr 2015). |
Wright's beardtongue |
Penstemon wrightii |
Plants |
Not Listed |
Not Listed |
G3G4 |
S3 |
False |
Occurs mostly in montane grasslands and woodlands; Perennial; Flowering April-Aug; Fruiting May-Aug |
manystem spiderflower |
Peritoma multicaulis |
Plants |
Not Listed |
Not Listed |
G2G3 |
S1 |
False |
Wet, saline or alkaline sandy soils around alkali sinks or flats, saline playas, springs, or meadows; in Texas, known from a wet, grassy seep along sandstone cliffs and historically from a Big sacaton (Sporobulus wrightii) flat at the edge of a cienega (desert spring) in soil developed over volcanic ash; flowering/fruiting June-September |
limestone rock-daisy |
Perityle aglossa |
Plants |
Not Listed |
Not Listed |
G3G4 |
S3 |
False |
Crevices in limestone outcrops along the Rio Grande in Brewster and Terrell counties; Perennial; Flowering July-Dec; Fruiting Oct-Nov |
rayless rock-daisy |
Perityle angustifolia |
Plants |
Not Listed |
Not Listed |
G3G4 |
S3S4 |
True |
Crevices of limestone bluffs and cliff-faces; Perennial; Flowering April-Oct; Fruiting April-Sept |
apressed two-bristle rock-daisy |
Perityle bisetosa var. appressa |
Plants |
Not Listed |
Not Listed |
G2T2 |
S2 |
False |
Crevices in limestone exposures on bluffs and other rock outcrops; flowering May-September |
two-bristle rock-daisy |
Perityle bisetosa var. bisetosa |
Plants |
Not Listed |
Not Listed |
G2T2 |
S2 |
False |
Crevices in limestone exposures on bluffs and other rock outcrops; flowering late summer-fall |
stairstep two-bristle rock-daisy |
Perityle bisetosa var. scalaris |
Plants |
Not Listed |
Not Listed |
G2T1 |
S1 |
True |
Crevices in limestone exposures on bluffs and other rock outcrops; flowering May-October |
grayleaf rock-daisy |
Perityle cinerea |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
True |
Crevices in dry limestone caprock of mesas; flowering spring-fall |
slimlobe rock-daisy |
Perityle dissecta |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
False |
Limestone cliff faces in desert canyons; flowering/fruiting spring-fall |
Foster's rock-daisy |
Perityle fosteri |
Plants |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Known only from rock faces on limestone boulders and bluffs in a deep, protected canyon; flowering/fruiting July, other months not yet known |
Hueco rock-daisy |
Perityle huecoensis |
Plants |
Not Listed |
Not Listed |
G1 |
S1 |
False |
North-facing or otherwise mostly shaded limestone cliff faces within relatively mesic canyon system; flowering spring-fall |
Devils River rock-daisy |
Perityle lindheimeri var. halimifolia |
Plants |
Not Listed |
Not Listed |
G4T3Q |
S3 |
True |
Limestone cliff-faces in Val Verde County eastward to central Texas; Perennial; Flowering April-Sept; Fruiting June-Aug |
whiteflower leafy rock-daisy |
Perityle rupestris var. albiflora |
Plants |
Not Listed |
Not Listed |
G4T3 |
S3 |
True |
Locally common on igneous rock outcrops; Perennial; Flowering May-Oct; Fruiting Sept |
leafy rock-daisy |
Perityle rupestris var. rupestris |
Plants |
Not Listed |
Not Listed |
G4T3 |
S3 |
True |
Igneous rock outcrops; Perennial; Flowering May-Nov; Fruiting June-Sept |
Glass Mountains rock-daisy |
Perityle vitreomontana |
Plants |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Crevices and solution pockets in Capitan Limestone exposures on cliffs and rock outcrops in the Glass Mountains; flowering June-October |
Warnock's rock-daisy |
Perityle warnockii |
Plants |
Not Listed |
Not Listed |
G1 |
S1 |
True |
Crevices and solution pits in steep, dry, inaccessible limestone bluffs; flowering spring-fall |
stalk-leaf phacelia |
Phacelia petiolata |
Plants |
Not Listed |
Not Listed |
G2 |
S1 |
False |
Desert scrub (gypseous substrate) |
canyon bean |
Phaseolus texensis |
Plants |
Not Listed |
Not Listed |
G2 |
S2 |
True |
Narrowly endemic to rocky canyons in eastern and southern Edwards Plateau occurring on limestone soils in mixed woodlands, on limestone cliffs and outcrops, frequently along creeks. Flowering: May-Oct. |
canyon mock-orange |
Philadelphus texensis var. ernestii |
Plants |
Not Listed |
Not Listed |
G3T3 |
S3 |
False |
Usually found growing from honeycomb pits on outcrops of Cretaceous limestone exposed as rimrock along mesic canyons, usually in the shade of mixed evergreen-deciduous canyon woodland; flowering April-June, fruit dehiscing September-October |