Hort 202 Laboratory 3 Key Tutorial Key to Sansevieria Key taken from: D. W. Reed. 1978. Sansevieria-- Identification and Culture. Louisiana Society of.

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Presentation transcript:

Hort 202 Laboratory 3 Key Tutorial Key to Sansevieria Key taken from: D. W. Reed Sansevieria-- Identification and Culture. Louisiana Society of Horticultural Research 14(2):30-77 Key to Sansevieria Key taken from: D. W. Reed Sansevieria-- Identification and Culture. Louisiana Society of Horticultural Research 14(2):30-77

1) Plant with evident upright stem, leaves arising along entire length S. powellii length S. powellii 1) Plant without evident upright stem, leaves arising from basal cluster (2) basal cluster (2) 1) Plant with evident upright stem, leaves arising along entire length S. powellii length S. powellii 1) Plant without evident upright stem, leaves arising from basal cluster (2) basal cluster (2)

 This plant is without an evident upright stem. It has leaves arising from basal clusters. Go to couplet (2). Basal clusters

2) Mature leaves cylindrical and channeled only on younger or basal portion of leaves S. cylindrica or basal portion of leaves S. cylindrica 2) Mature leaves flattened and expanded, much wider than thick (3) thick (3) 2) Mature leaves cylindrical and channeled only on younger or basal portion of leaves S. cylindrica or basal portion of leaves S. cylindrica 2) Mature leaves flattened and expanded, much wider than thick (3) thick (3)

 This plant does not have cylindrical or channeled leaves. Its leaves are flat, expanded, & wide. Go to couplet (3). Flat, expanded, wide leaves

3) Leaves not variegated or with light and dark green transverse bands on younger growth and becoming obliterated with bands on younger growth and becoming obliterated with age (4) age (4) 3) Leaves conspicuously variegated with transverse or linear striations (7) striations (7) 3) Leaves not variegated or with light and dark green transverse bands on younger growth and becoming obliterated with bands on younger growth and becoming obliterated with age (4) age (4) 3) Leaves conspicuously variegated with transverse or linear striations (7) striations (7)

 This plant has variegation with linear striations on both younger and older growth. Go to couplet (7). younger and older growth. Go to couplet (7).  This plant has variegation with linear striations on both younger and older growth. Go to couplet (7). younger and older growth. Go to couplet (7). Variegation, linear striations

7) Plant with basal or rosette type growth, rarely over 6-8” tall, leaves not more than 2-3 times longer than wide (8) leaves not more than 2-3 times longer than wide (8) 7) Plant with ascending growth; leaves many times longer than wide (10) wide (10) 7) Plant with basal or rosette type growth, rarely over 6-8” tall, leaves not more than 2-3 times longer than wide (8) leaves not more than 2-3 times longer than wide (8) 7) Plant with ascending growth; leaves many times longer than wide (10) wide (10)

 This plant has basal or rosette type growth, is not over 6-8” tall, and its leaves are not more than 2-3 times longer than tall, and its leaves are not more than 2-3 times longer than wide. Go to couplet (8). wide. Go to couplet (8).  This plant has basal or rosette type growth, is not over 6-8” tall, and its leaves are not more than 2-3 times longer than tall, and its leaves are not more than 2-3 times longer than wide. Go to couplet (8). wide. Go to couplet (8). Basal/rosette growth, Less than 6-8” tall Note leaf dimensions: 3.5” 2.5”

8) Leaves green with yellow linear striations S. trifasciata cv. Golden Hahnii S. trifasciata cv. Golden Hahnii 8) Leaves entirely light or dark green.....(9) 8) Leaves green with yellow linear striations S. trifasciata cv. Golden Hahnii S. trifasciata cv. Golden Hahnii 8) Leaves entirely light or dark green.....(9)

 This plant has leaves that are green with yellow linear striations. Its leaves are not entirely light or dark green. striations. Its leaves are not entirely light or dark green. The name of this plant is S. trifasciata cv. Golden Hahnii. The name of this plant is S. trifasciata cv. Golden Hahnii.  This plant has leaves that are green with yellow linear striations. Its leaves are not entirely light or dark green. striations. Its leaves are not entirely light or dark green. The name of this plant is S. trifasciata cv. Golden Hahnii. The name of this plant is S. trifasciata cv. Golden Hahnii. Yellow linear striations