Click image below for high resolution macro image. Then click 'Close' in lower right corner to return. Mesa Tansyaster Flower Mesa Tansyaster Flower Mesa Tansyaster Flower Mesa Tansyaster Leaves Mesa Tansyaster Plant Mesa Tansyaster Fruit


Wildflowers of Southern Arizona


Page  1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

Mesa Tansyaster.
Machaeranthera tagetina.
Aster (Asteraceae) family.

The flower heads have 8 to 16 purple rays, golden yellow disks, and 24 to 44 lance-shaped, appressed to spreading, point-tipped or spine-tipped phyllaries (bracts at the base of the flower heads) in 3 to 5 series. The phyllaries have leafy, green, glandular-hairy tips and white, mostly hairless bases. The flower heads are followed by fluffy, rounded, whitish seed heads. The leaves are green, alternate, spine-tipped, and pinnatifid except near the stem tips. The stems are slender, green, and branched. The stems and leaves are minutely hairy with a mixture of regular and gland-tipped hairs.

Santa Catalina Mountains.
Sabino Canyon Recreation Area
Location: Dirt trail to Bear Canyon just before asphalt road.
7/9/15



See SEINet Pictures and Description

See FireFly Forest Pictures and Description

Thumb: Yarrow
« Yarrow
Thumb: Narrow-leaf Aster
NL Aster »