Plants Blooming or Displaying Color at the Santa Rosa Plateau: January - May 2002

2 January - 11 February observations: 10, 18 and 26 January; 4 and 11 February on Vernal Pool, N. Vista Grande, Adobe Loop, Fenceline, Punta Mesa, S. Los Santos, S. Trans Preserve and Granite Loop Trails; Ranch Road.

The 2002 show has begun! White-flowered currant and wild cucumber are in full bloom.

New species beginning their show recently (dates are when I first observed them):

There are currently 0 species not yet at full show, 5 species in full show, 2 species ending their show, and 0 species that are finished with their display this year.

List of plants in bloom or displaying colorful seeds, fruit or leaves, with date of latest observation for a given trail (within each bloom status, plants are in rough order along the trail):

21 February to 13 March observations: 21 February; 4 and 13 March on Vernal Pool, S. Lomas, S. Trans Preserve and Granite Loop Trails; Ranch Road.

Despite the almost complete absence of rainfall, somehow, someway, some members of each species seem able to produce at least some blooms. However, the total number of blooms is way down this year, and the length of time each species is in bloom is much decreased.

New species beginning their show recently (dates are when I first observed them; (1) means only a single plant is in bloom):

There are currently 27 species not yet at full show, 12 species in full show, 8 species ending their show, and 0 species that are finished with their display this year.

List of plants in bloom or displaying colorful seeds, fruit or leaves, with date of latest observation for a given trail (within each bloom status, plants are in rough order along the trail):

20 March - 10 April observations: 20 and 23 March; 3 and 10 April on Vernal Pool, S. Lomas, S. Trans Preserve, Adobe Loop, Punta Mesa (only a short section near the Adobe Loop Trail) and Granite Loop Trails; Ranch Road.

Despite the almost complete absence of rainfall, somehow, someway, some members of each species seem able to produce at least some blooms. However, the total number of blooms is way down this year, and the length of time each species is in bloom is much decreased. As a result, the showiness of the bloom is only about one-third that of last year. We are near the end of the peak bloom.

New species beginning their show recently (dates are when I first observed them; (1) means only a single plant was in bloom):

There are currently 8 species not yet at full show, 39 species in full show, 11 species ending their show, and 18 species that are finished with their display this year.

List of plants in bloom or displaying colorful seeds, fruit or leaves, with date of latest observation for a given trail (within each bloom status, plants are in rough order along the trail, except for the overall summary):

17 April - 5 May observations: 17 and 28 April, 5 May on Vernal Pool, S. Trans Preserve, Adobe Loop, Vista Grande (only the section from the Granite Loop Trail to Cole Creek) and Granite Loop Trails; Ranch Road.

Despite the almost complete absence of rainfall, somehow, someway, some members of each species seem able to produce at least some blooms. However, the total number of blooms is way down this year, and the length of time each species is in bloom is much decreased. As a result, the showiness of the bloom is only about one-third that of last year. Peak bloom ended in late April, but the largest number of species is in bloom now.

New species beginning their show recently (dates are when I first observed them; (1) means only a single plant was in bloom):

There are currently 7 species not yet at full show, 22 species in full show, 36 species ending their show, and 43 species that are finished with their display this year.

List of plants in bloom or displaying colorful seeds, fruit or leaves, with date of latest observation for a given trail (within each bloom status, plants are in rough order along the trail, except for the overall summary):

10-27 May observations: 10, 19 and 27 May on Vernal Pool, S. Trans Preserve, Punta Mesa, Vista Grande (only the section from the Granite Loop Trail to Cole Creek) and Granite Loop Trails; Monument Hill and Ranch Roads.

Despite the almost complete absence of useful rainfall, somehow, someway, some members of most species have been able to produce at least some blooms. However, about 20% of all species essentially skipped their bloom this year, the total number of blooms is way down, and the length of time each species is in bloom is much decreased. As a result, the showiness of the bloom is much less than that of last year.

Peak bloom ended in late April. In many places, only the plant remnants from last year exist, and thus it looks like late summer already. See The 2002 Plant Display Vs. Time for the progress of the bloom so far in 2002, and a comparison with the 2001 bloom.

New species beginning their show recently (dates are when I first observed them; (1) means only a single plant was in bloom):

There are currently 0 species not yet at full show, 20 species in full show, 31 species ending their show, and 72 species that are finished with their display this year. Of these, 10 species had fewer than 1% of their normal blooms; an additional 11 species did not bloom at all this year.

List of plants in bloom or displaying colorful seeds, fruit or leaves, with date of latest observation for a given trail (within each bloom status, plants are in rough order along the trail, except for the overall summary):


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Updated 27 January 2003.